Knockdown Rebuild in Melbourne: A Complete Homeowner’s Guide

A knockdown rebuild — KDR for short — is the most popular path to a brand-new home in Melbourne for one simple reason: the land you already love is almost always worth more than the house sitting on it. Established suburbs with the schools, the trains, the cafés and the park you actually use are nearly impossible to replicate at the city’s edge. Knocking down what’s there and building exactly the home you want, where you already live, fixes that.

It’s also a project where the gap between “what builders advertise” and “what actually happens” is wider than almost any other residential construction route. The shiny house-and-land brochure assumes a clean block, an off-the-shelf design and a 12-week build. Your inner-east or middle-ring block is none of those things. It has a 1965 brick veneer with asbestos in the eaves, a kerb that’s still council property, a Heritage Overlay you didn’t know about, and a Section 29A consent that has to land before your builder can pour a slab.

As a fully licensed Melbourne demolition company with Class B (non-friable) asbestos removal capability held in-house, we run the demolition side of dozens of knockdown rebuilds every year — across every metropolitan Melbourne council and regional Victoria. This guide is the plain-English version of what a knockdown rebuild actually involves in 2026: the process, the realistic costs, the council approvals, the asbestos rules, the builder coordination, the suburb traps, and the questions to ask before you sign anything.

Quick answer: A knockdown rebuild in Melbourne is the demolition of an existing home and the construction of a new one on the same block. It typically runs in two sequential phases: (1) demolition — quote, council approvals (Section 29A consent, planning permit if a Heritage Overlay applies, asset protection permit, building permit for demolition), hazardous materials survey, licensed asbestos removal, service disconnections, physical demolition and site preparation; and (2) construction — planning permit for the new build (if required), building permit for the new construction, build, inspections and occupancy. Realistic 2026 timelines: 6–10 weeks for demolition on a non-heritage block, 4–6 months or more if heritage-affected, then 8–14 months for the build. Demolition costs typically run $18,000–$35,000 for a standard single-storey home, with the new build a separate contract. The single biggest reason KDR projects slip schedule is sequencing: the demolition has to be fully cleared, with asbestos clearance certificate in hand, before the builder’s slab pour can begin.

What Is a Knockdown Rebuild (and Why It’s So Popular in Melbourne)

A knockdown rebuild is exactly what the name says: the existing dwelling is demolished, the block is cleared and prepared, and a new home is built on the same land. The title doesn’t change, the address doesn’t change, and the surrounding neighbourhood doesn’t change. Everything inside the boundary does.

In Melbourne, KDR has become the default route to a new home in established suburbs because three forces meet on the same block:

Land value dominates total property value. In suburbs like Brighton, Hawthorn, Camberwell, Kew, Toorak, Malvern, Bentleigh, Glen Waverley, Box Hill, Williamstown, Ivanhoe and Yarraville, the land is routinely worth 70–90% of the property’s value. The 1960s house sitting on it is, in dollar terms, an obstacle to a better outcome.
Renovation costs have closed the gap with new builds. A major renovation that touches the roof, the slab, the wiring, the plumbing and the bathrooms is no longer dramatically cheaper than starting fresh — and the result is usually a compromise of new work bolted onto old bones.
Energy, accessibility and design standards have moved. A 2026 home with 7-star NatHERS performance, all-electric infrastructure, EV charging, a proper kitchen, and rooms that work for the way people actually live is structurally different from a 1965 brick veneer. Retrofitting is harder and less satisfying than building new.

The result: in many middle-ring and inner-Melbourne suburbs, a knockdown rebuild produces a better home for less money than a comprehensive renovation, on land you couldn’t otherwise afford to buy fresh.

For a deeper look at when keeping part of the house makes more sense than a full KDR, see our Partial Demolition: When Removing Half a House Makes Sense in Melbourne.

Knockdown Rebuild vs Renovation vs Buy-and-Sell: Which One Makes Sense?

Before you commit to a knockdown rebuild, it’s worth being honest about the alternatives. The right answer depends on the block, the existing house and what you actually want.

Path	Best when…	Trade-offs
Knockdown rebuild	The land is great, the house is dated, the floor plan can’t be salvaged, and you want a new home tailored to how you live	Demolition costs, ~6–10 weeks of approvals, accommodation during the build, two permit cycles
Major renovation / extension	The existing house has character or heritage value worth preserving, the bones are sound, and you only want to fix part of it	Surprises behind walls, integrating new with old, often a Section 29A consent anyway if you’re removing more than 50%
Partial demolition + extension	You want to keep the front (for heritage or character) and rebuild the back half	Engineering complexity, façade retention costs, planning permit usually required
Sell and buy elsewhere	Your needs have outgrown the suburb, not just the house	Stamp duty, agent fees, moving costs, no guarantee of a better block
Cosmetic renovation only	The house works, it just looks tired	Cheapest path, but doesn’t fix structural or layout issues

A useful test: if you’re keeping the house mainly because demolishing feels emotionally heavy, that’s not a reason. If you’re keeping it because the floor plan genuinely works and the bones are sound, that is. Most middle-ring Melbourne homes built before 1990 fail the second test before the first — too small, too dark, too poorly oriented, too compromised by past additions, and almost always carrying asbestos somewhere.

For the structural side of that decision, our Soft Strip vs Hard Demolition guide walks through which approach matches which type of project.

The Two-Phase Reality of a Melbourne Knockdown Rebuild

Most builder marketing presents a KDR as one continuous project with one quote and one contract. In Victoria, that’s almost never how it actually runs. There are two distinct phases, governed by different acts, supervised by different parties, and (usually) priced separately.

Phase 1: Demolition

This is everything that has to happen to turn an occupied block into a build-ready block:

Site inspection and fixed-price demolition quote
Council and statutory approvals (Section 29A consent, planning permit if required, asset protection permit, building permit for demolition)
Hazardous materials survey and licensed asbestos removal
Service disconnections (electricity, gas, water, telecoms)
Site setup and public protection
Physical demolition
Site clearance, lawful disposal and handover

Our Residential Demolition Process in Melbourne: A 7-Step Walkthrough covers each of these in detail.

Phase 2: Construction

Once the block is cleared, surveyed, soil-tested and graded, Phase 2 begins:

Planning permit for the new building (if zoning or overlays require it)
Building permit for the new construction (separate from the demolition building permit)
Site set-out, footings, slab
Frame, lock-up, fix-out
Inspections at prescribed stages
Occupancy permit or Certificate of Final Inspection

The reason this matters: a typical Melbourne knockdown rebuild needs two separate building permits — one for the demolition, one for the construction — and potentially two separate planning permits. Different documents, different consultants, often different timelines.

The full picture is in our Building Permits vs Demolition Permits in Melbourne and Victoria guide.

How Much Does a Knockdown Rebuild Cost in Melbourne in 2026?

The honest answer is “the demolition and the build are two different numbers, and neither should be bundled into a round figure.” But here are the realistic 2026 ranges for the demolition side, which is the part we can speak to as a licensed Melbourne demolition contractor.

Demolition Cost Ranges (2026 Melbourne)

Demolition scope	Typical 2026 cost (all-in)
Standard single-storey weatherboard or brick veneer	$18,000–$35,000
Two-storey home	$30,000–$60,000+
Heritage-affected with façade retention	$50,000–$150,000+ (excluding façade prop)
Engineered façade retention works	$30,000–$120,000+
Fire-damaged property (Class A asbestos likely)	$40,000–$120,000+
Multi-unit / townhouse demolition	$40,000–$90,000+

The line items that make up that all-in figure on a typical Melbourne single-storey demolition:

Section 29A statutory fee: capped at 5.75 fee units — $96.66 for 2025–26
Planning permit fee (if required): $1,300–$1,500+
Heritage Impact Statement (if required): $2,000–$5,000+
Building permit for demolition: $1,500–$4,000+
Asset protection permit: $320 in Wyndham to ~$465 in Hume, plus security bonds in inner-east councils
Hazardous materials survey: $450–$900 (standard residential)
Class B non-friable asbestos removal: $3,000–$12,000 for a standard home
Service disconnections (combined): $1,500–$4,000
Physical demolition (plant, labour, dust controls): $10,000–$25,000
Lawful disposal at EPA-authorised facilities: $5,000–$12,000, driven heavily by the $167.90/tonne metropolitan waste levy from 1 July 2025
Independent asbestos clearance certificate: $300–$700

If a demolition quote is materially below $18,000 for a standard Melbourne single-storey home, the savings are almost always coming out of one of three places: the asbestos handling, the EPA waste levy pass-through, or the public liability insurance. None of those corners are worth cutting on your block.

For the full asbestos pricing breakdown, see our Cost of Asbestos Removal in Melbourne and Why It Varies. For the demolition-side timeline that determines your builder’s start date, see How Long Does It Take to Demolish a House in Melbourne?.

The Build Cost (Separate Contract, Separate Quote)

The new build itself is your builder’s contract, not ours, but realistic 2026 metropolitan Melbourne ranges for a project-home or custom KDR are roughly:

Project-home KDR (3-bed, 2-bath, single-storey, off-the-shelf design): ~$2,800–$3,800 per m² of GFA
Mid-range custom KDR (architect-influenced, 4-bed, 2-bath, double-storey): ~$4,000–$5,500 per m² of GFA
High-end custom KDR (architect-designed, premium finishes): $6,500–$12,000+ per m² of GFA

A 280 m² project-home build in an outer-growth suburb might land at $800k–$1.05M. A 320 m² architect-designed home in Hawthorn or Brighton can run $2M and up. Demolition is between 1% and 4% of the total project cost — small in percentage terms, but the part most likely to derail the schedule if it isn’t run properly.

How Long Does a Knockdown Rebuild Actually Take in Melbourne?

End-to-end, a Melbourne knockdown rebuild — from contract signing to moving in — usually runs 12–24 months. The demolition side is a small slice of that, but it’s the slice that determines when the builder can start.

Demolition-Side Timeline

Non-heritage suburban block: 6–10 weeks from contract to cleared site
Heritage-affected block: 4–6 months or more from contract to cleared site
Physical demolition itself: 2–5 days for a single-storey, 5–10 days for two-storey

Construction-Side Timeline

Project-home single-storey: 8–12 months from slab to handover
Custom architect-designed: 12–24 months from slab to handover

Typical Combined Timeline (Realistic 2026 Ranges)

Project type	Demolition	Build	Total
Outer-growth project-home KDR (e.g. Tarneit, Werribee, Cranbourne)	6–8 weeks	9–12 months	~12–14 months
Middle-ring custom KDR (e.g. Bentleigh, Glen Waverley)	8–10 weeks	12–16 months	~15–18 months
Inner-east architect KDR (e.g. Kew, Camberwell, Hawthorn)	10–14 weeks	16–24 months	~20–28 months
Heritage-affected KDR (e.g. Fitzroy, Carlton, South Yarra)	4–6+ months	18–24 months	~24–30 months

The single most common mistake homeowners make at this stage is counting forwards from settlement instead of backwards from the builder’s slab pour. If your builder needs the block by 1 March, the demolition contract has to be signed by mid-January in a non-heritage suburb — or September/October the year before in a heritage-affected one.

Full timeline detail in our From Quote to Cleared Site: Realistic Demolition Timeline in Melbourne.

Step-by-Step: How the Demolition Phase Actually Runs

Once your knockdown rebuild is locked in, the demolition phase follows a fixed sequence. Out-of-order lodgements are the #1 cause of stalled projects.

Step 1 — On-Site Inspection and Fixed-Price Quote

A proper demolition quote is impossible to write from satellite imagery and a phone call. We walk the property and document:

Building age, construction type and likely asbestos hot spots
Site access — driveway width, overhead lines, kerb height, tree clearance
Adjoining buildings and party walls (critical for inner-city terraces and zero-lot-line townhouses)
Existing services — meters, gas regulators, NBN pits, stormwater
Soil and contamination indicators
Council-specific considerations — heritage character, protected street trees, kerb condition

You should receive a fixed-price written quote with separately itemised lines for: structural demolition, asbestos removal, Section 29A consent, asset protection permit, service disconnections, lawful disposal and any contingencies. Round-figure quotes that bundle asbestos into “demolition” are the single most common red flag we see in the Melbourne market.

Step 2 — Council and Statutory Approvals

The longest stage of the project, and the one most often underestimated. The approvals stack runs in this order:

VicPlan property check — confirms zone, overlays and controls
Title search — covenants, Section 173 agreements, easements
Planning permit (if required by Heritage Overlay or other control)
Section 29A demolition consent — granted by council under the Building Act 1993
Asset protection permit — protects footpaths, kerbs, nature strips, street trees
Hazardous materials survey and asbestos removal arrangements
Service disconnections — applications lodged with all four utility providers
Building permit for demolition — issued by the Registered Building Surveyor

A Section 29A consent is required where either the 50% volume test is met or any street-facing façade is affected. Both are common on a knockdown rebuild.

Our Council Demolition Permits in Melbourne: A Suburb-by-Suburb Overview breaks down how each metropolitan council actually administers these. For the consent process itself, see What Is Demolition Consent and How to Get One in Victoria.

Step 3 — Hazardous Materials Survey and Licensed Asbestos Removal

If your home was built before 31 December 2003 (and especially before 1990), assume asbestos is present until proven otherwise. Australia was one of the heaviest per-capita users of asbestos in the world from the 1940s to the late 1980s, and Melbourne’s post-war housing stock is essentially a four-decade fossil record of it — eaves, fences, cladding, Super Six roofing, vinyl tiles, bathroom linings, Zelemite electrical backing boards.

Under Part 4.4 of the OHS Regulations 2017, a hazardous materials survey by a competent person is mandatory before demolition. Bonded (non-friable) asbestos must be removed by a Class B licensed asbestos removalist; friable asbestos requires a Class A licensed removalist. Both require WorkSafe Victoria notification and an independent licensed assessor for the clearance certificate.

We hold a Class B (non-friable) asbestos removal licence in-house, which is the licence class that covers the vast majority of Melbourne residential ACM — eaves, fences, vinyl floor tiles, garage sheeting, bathroom linings, electrical backing boards. We partner with Class A specialists where friable, fire-damaged or severely weathered ACM is involved.

For decade-by-decade detail on where asbestos hides in pre-1990 Melbourne homes, see our Asbestos in 1950s–1980s Melbourne Homes: What’s Likely Hiding. For identification methodology, Asbestos in Melbourne Homes: How to Identify Before Demolition. For the licence-class distinction, Friable vs Non-Friable Asbestos: Demolition Melbourne. And for verifying any contractor before you sign, Licensed Asbestos Removal Victoria: How to Verify Your Contractor.

Step 4 — Service Disconnections

All four utilities — electricity, gas, water and telecommunications — must be lawfully disconnected, capped or removed, with written confirmation on file, before any demolition activity begins. The Registered Building Surveyor won’t issue the building permit without it, and a WorkSafe inspector can issue an immediate prohibition notice if a connection is live.

Realistic 2026 lead times: 2–4 weeks per service, lodged in parallel. Solar PV systems and battery storage require additional decommissioning by a licensed electrician. The full breakdown — including which distributor covers which suburb — is in our How We Disconnect Utilities Before Demolition in Melbourne guide.

Step 5 — Site Setup and Public Protection

Temporary fencing, signage, asbestos warning signs (during removal), tree and asset protection, dust suppression, sediment controls, traffic management (where required) and written notice to immediately adjoining properties — usually 7–14 days before demolition begins.

Step 6 — Physical Demolition

Modern Melbourne residential demolition uses hydraulic excavators with attachments — almost never a wrecking ball, and never an implosion. Wrecking balls are essentially extinct in Australia; implosion is a 1980s spectator sport that hasn’t been used residentially here in decades. The reasons are simple: excavators give precision, controllable dust and noise, sequenced asbestos handling, and 70–90% material recyclability. Our Excavator vs Wrecking Ball vs Implosion: Modern Demolition in Melbourne covers the comparison in detail.

Active demolition for a single-storey home is typically 2–5 days; two-storey or multi-unit usually 5–10 days. For what to expect on the actual day, see What Happens on Demolition Day in Melbourne: A Homeowner Survival Guide.

Step 7 — Site Clearance, Lawful Disposal and Handover

The handover stage is where rushed demolitions create the most expensive problems in Phase 2. A properly cleared block at handover should be:

Completely cleared of structures, slabs, footings, fence post concrete, sheds, septic systems and old paving
Free of demolition rubble — every truck tipped at an EPA-authorised facility, with weighbridge dockets on file
Free of asbestos contamination — with an asbestos clearance certificate from an independent licensed assessor
Graded to a level agreed with your builder (never higher than surrounding kerb without specific drainage design)
Free of contaminated soil — or, where contamination has been identified, with the affected material removed under EPA Waste Tracker and disposal documented
Re-pegged or surveyed so the builder’s set-out has reliable reference points
Properly fenced if the block sits empty between demolition and build start

The handover documentation pack should include: building permit for demolition, Section 29A consent, asbestos register, asbestos clearance certificate, EPA Waste Tracker records, weighbridge dockets, asset protection final inspection report, and contractor public liability certificate. It becomes part of the property’s permanent record.

For the full handover-to-builder stage, see Site Preparation After Demolition: What Happens Before Your New Build Starts.

Council Approvals: The Single Biggest Source of KDR Delay

Most homeowners assume “the demolition company sorts the paperwork” and “the council just signs off”. Both are partly true, but three different agencies are involved in a single suburban knockdown rebuild:

Your local council — issues planning permits (where required), Section 29A demolition consent, and asset protection permits
A Registered Building Surveyor — issues the building permit for demolition (and later, the building permit for the new construction). Can be private or council-employed.
WorkSafe Victoria and EPA Victoria — regulate the work (safety, asbestos) and the waste (classification, transport, disposal)

Get any one of these wrong and the project stalls. The full WorkSafe framework is in our WorkSafe Victoria Demolition Requirements: Plain English Guide. The full EPA framework is in our EPA Victoria’s Rules for Construction and Demolition Waste in 2026.

Heritage Overlays: Where Most KDRs Get Refused

A Heritage Overlay is the single most common reason knockdown rebuilds get refused or substantially redesigned. The five councils with the largest concentrations of Heritage Overlays — City of Stonnington, City of Boroondara, City of Yarra, City of Melbourne and City of Port Phillip — are consistently the most rigorous, with Bayside strict on individually significant Edwardian and inter-war homes, and Mornington Peninsula heavier than most outer councils because of its dense overlay coverage.

Critically: two near-identical houses on the same street can have very different controls. Only one might carry the overlay. Don’t rely on a property’s age alone — some 1960s buildings are heritage-protected, some 1890s cottages aren’t. Always check VicPlan (vicplan.vic.gov.au) for the specific address before you commit to a KDR strategy.

If your block carries an individually significant Heritage Overlay, a full demolition is rarely approved. A partial demolition with façade retention is often the only path — and the engineered façade prop is a $30,000–$120,000 line item on top of the standard demolition cost. Our Partial Demolition guide walks through whether removing half a house can work for your project.

Suburb-Specific Knockdown Rebuild Notes (Melbourne, 2026)

Where your KDR is happening changes how it runs. A few patterns worth knowing:

Inner-East (Boroondara, Stonnington, Yarra, Melbourne, Port Phillip)

Hawthorn, Kew, Camberwell, Balwyn, Toorak, Armadale, Malvern, South Yarra, Prahran, Fitzroy, Carlton, Collingwood, Richmond, Albert Park, Middle Park, South Melbourne. Highest heritage density in Australia. Heritage Impact Statements routinely required. Strict asset protection bonds. Mature street trees with their own protection conditions. KDR is often partial-demolition-with-façade-retention rather than full clearance. Allow 4–6+ months for demolition-side approvals.

Bayside (City of Bayside)

Brighton, Hampton, Sandringham, Beaumaris. Individually significant Edwardian and inter-war homes regularly trigger heritage interventions late in the process. Bayside is strict on owner-demolitions. Allow 8–14 weeks for demolition-side approvals.

Middle-Ring South-East (Glen Eira, Bayside, Kingston, Monash)

Bentleigh, McKinnon, Ormond, Carnegie, Murrumbeena, Caulfield, Cheltenham, Mentone, Mordialloc, Glen Waverley, Mt Waverley, Box Hill, Mount Waverley. Mostly 1950s–1980s post-war housing stock with heavy asbestos load. KDR is the default route. Generally faster council processing than the inner-east. Allow 6–10 weeks for demolition-side approvals.

Inner-West (Maribyrnong, Hobsons Bay, Brimbank)

Yarraville, Seddon, Footscray, Williamstown, Newport, Sunshine. Heritage Overlays tighter than expected, plus EPA contamination concerns for industrial-to-residential conversions (former tanneries, foundries, fuel depots, market gardens). Phase 1 ESA often advisable. Allow 8–12 weeks for demolition-side approvals.

North (Merri-bek, Darebin, Banyule, Whittlesea, Hume)

Brunswick, Coburg, Pascoe Vale, Preston, Reservoir, Northcote, Thornbury, Heidelberg, Ivanhoe, Eaglemont, Broadmeadows, Craigieburn. Mixed heritage density (Brunswick/Coburg heavier than Preston/Reservoir). 1950s–1970s ACM extremely common. Allow 6–10 weeks for demolition-side approvals.

Outer-Growth Corridors (Wyndham, Casey, Cardinia, Melton, Hume, Whittlesea)

Tarneit, Werribee, Point Cook, Hoppers Crossing, Cranbourne, Berwick, Pakenham, Officer, Sunbury, Craigieburn, Mickleham, Donnybrook, Wollert, Mernda, Melton, Caroline Springs. Mostly single-storey 1980s–2000s housing stock. Lighter heritage footprint, faster council turnaround, lighter asbestos load. KDR runs at the fast end of the range. Allow 6–8 weeks for demolition-side approvals.

Mornington Peninsula

Sorrento, Portsea, Mornington, Mt Eliza, Rye, Rosebud, Dromana. Dense overlay coverage despite being an outer council. Holiday-house demolitions are deceptively complex. Allow 8–14 weeks for demolition-side approvals.

Bushfire-Prone Areas

Yarra Ranges, Macedon Ranges, parts of Cardinia, Nillumbik, Dandenong Ranges. Bushfire Management Overlay (BMO) usually triggers an additional planning permit for the rebuild and a Bushfire Attack Level (BAL) assessment under AS 3959. Fire-damaged properties may require Class A asbestos removal and contaminated-soil management. Our Bushfire-Damaged Property Demolition: The Victorian Process walks through that specific path.

Builder-First vs Demolition-First: Who Owns Which Stage?

One of the most consequential decisions on a knockdown rebuild is who runs the demolition. There are two valid models, and the wrong choice for your project type can cost weeks.

Model A: Builder Handles Demolition

Your KDR builder takes responsibility for both phases, subcontracting demolition to one of their preferred operators. Simpler from a contractual standpoint — one contract, one point of contact, one warranty pathway.

Best when: the build is a straightforward project-home design in an outer-growth corridor with no heritage or asbestos complexity.

Trade-offs: the demolition subcontractor is chosen for the builder’s margin, not your project. Asbestos may be subcontracted further down. Documentation pack is often thinner. Disputes (if any) are buried inside the builder’s contract.

Model B: Separately Contracted Demolition Specialist

You contract a licensed demolition company directly. They handle Phase 1 entirely and hand over a fully cleared, soil-tested, surveyed block to your builder, with a complete documentation pack.

Best when: the property has a Heritage Overlay, significant asbestos, partial-demolition complexity, fire damage, contamination history, or an architect-designed build where the slab depends on accurate as-built information.

Trade-offs: two contracts to coordinate, two deposits, a clear seam between phases. Most homeowners find this more transparent rather than more complex.

The single rule: decide which model you’re using before the deposit goes through. Mixing them halfway — where the builder assumes you’ve sorted demolition and you assumed they had — is where projects haemorrhage time and money. The full picture on permit ownership is in our Building Permits vs Demolition Permits guide.

What a Cleared Block Should Actually Look Like at Handover

Before you accept handover of a “cleared” block from any Melbourne demolition contractor — yours or your builder’s — every box on this list should tick:

[ ] Slab fully removed (not just the visible house above ground)
[ ] All footings, piers and old fence post concrete removed to clear depth
[ ] Old septic system, soak pits and disused tanks removed
[ ] All demolition rubble removed to EPA-authorised facilities
[ ] Weighbridge dockets and disposal receipts on file for every load
[ ] Asbestos clearance certificate issued by an independent licensed assessor (where ACM was present)
[ ] EPA Waste Tracker reconciled for every reportable priority waste movement
[ ] Top ~100 mm of soil removed and disposed as asbestos-contaminated soil (where ACM was disturbed)
[ ] Site graded to a level agreed with the builder, in writing, with reference to FFL or kerb level
[ ] No buried fill, demolition rubble or uncontrolled material left across the block
[ ] Surveyor re-engaged to re-establish boundary pegs and reference marks
[ ] Geotechnical investigation arranged on the cleared block (not before demolition)
[ ] Asset protection final inspection passed and bond released
[ ] Sediment, stormwater and dust controls maintained between demolition and builder start
[ ] Full documentation pack handed to the property owner — physical and digital

If a contractor can’t tick every relevant box at handover, you’re not at handover yet. Full detail in our Site Preparation After Demolition guide.

Red Flags When Choosing a Knockdown Rebuild Demolition Contractor

Twelve questions worth asking, and what you’re really listening for:

“Can you show me your current Victorian Building Authority demolition class registration?” — Should be produced without hesitation.
“Do you hold a Class B asbestos removal licence in-house, or do you subcontract?” — In-house is faster, more accountable and usually better priced.
“Will the quote be itemised, with asbestos as a separate line?” — Round-figure quotes are the #1 red flag.
“Who lodges the Section 29A consent — you or me?” — Should be the contractor as your authorised agent.
“What’s your current asset protection bond procedure with [council]?” — They should know your council’s process by name.
“What does your public liability insurance cover, and can I see a certificate of currency?” — Should be $20M+, asbestos-inclusive.
“Who issues my asbestos clearance certificate — you or an independent assessor?” — Must be independent.
“How do you handle EPA Waste Tracker reconciliation?” — They should describe the process without prompting.
“What’s your contingency for asbestos-contaminated soil if it’s discovered?” — They should have a documented procedure.
“Can I see weighbridge dockets and clearance certificates from three recent jobs?” — Reputable operators are happy to.
“Will my Registered Building Surveyor have everything they need on permit-issue day?” — Should be a confident yes.
“Can you give me a fixed-price written quote after a site inspection, not a phone estimate?” — The site inspection is non-negotiable.

If any answer is vague, defensive, or “we’ll sort it on the day”, keep looking. A demolition is one of the largest insurance-and-compliance events that will happen on your property — and the documentation it generates follows the title forever.

What This All Means for Your Project: A Plain-English Summary

A Melbourne knockdown rebuild in 2026 is, fundamentally:

Two phases — demolition first, construction second — with their own permits, contracts and timelines
Two permit cycles — building permit for demolition, then building permit for construction (and potentially two planning permits)
Three regulators — your council, a Registered Building Surveyor, and WorkSafe Victoria/EPA Victoria
Six to ten weeks of demolition approvals on a non-heritage block, or four to six months or more if heritage-affected
$18,000–$35,000 demolition cost for a standard single-storey home — separate from the new build contract
A documentation pack that follows the property’s title permanently
An asbestos pathway that almost every pre-1990 Melbourne home will require

Get all of that right, and your builder rolls onto a fully cleared, soil-tested, surveyed block on the day they planned to, with the asbestos clearance certificate already in the surveyor’s hands. Get any of it wrong, and the variations land halfway through your slab pour.

Gone and Clean Demolition – Contact

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📧 Email: goneandcleandemolition@gmail.com
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Frequently Asked Questions: Knockdown Rebuild in Melbourne

What is a knockdown rebuild?

A knockdown rebuild — KDR — is the full demolition of an existing dwelling and the construction of a new home on the same block. The title doesn’t change, the address doesn’t change, and the surrounding neighbourhood doesn’t change. In Melbourne, KDR has become the default route to a new home in established suburbs because the land is usually worth far more than the existing house. In 2026 it typically runs as a two-phase project: demolition (6–10 weeks of approvals plus 2–5 days physical demolition) followed by construction (8–24 months depending on design complexity).

Is a knockdown rebuild cheaper than renovating in Melbourne?

It often is — particularly for pre-1990 brick veneer and weatherboard homes where a comprehensive renovation would touch the slab, the roof, the wiring, the plumbing and the bathrooms. A major renovation has closed the cost gap with new construction substantially over the last decade, and the result is usually a compromise of new work bolted onto old bones. A knockdown rebuild produces a fully new, energy-efficient, properly designed home for a comparable or lower total spend on land you couldn’t otherwise afford to buy fresh. The exception is when the existing house has heritage value, sound bones and a workable floor plan — in which case a major renovation or partial demolition may make more sense.

How much does a knockdown rebuild cost in Melbourne in 2026?

The demolition side typically costs $18,000–$35,000 for a standard single-storey weatherboard or brick veneer home, with two-storey, heritage-affected, fire-damaged or multi-unit properties running substantially higher. The construction side is a separate contract, typically $2,800–$3,800 per m² for a project-home build, $4,000–$5,500 per m² for mid-range custom, and $6,500–$12,000+ per m² for high-end architect-designed work. For a typical 280 m² project-home KDR in an outer-growth suburb, total cost (demolition + build) is usually $850k–$1.1M. Inner-east architect-designed projects can run $2M+.

How long does a knockdown rebuild take in Melbourne?

End-to-end, 12–24 months from contract signing to moving in. The demolition phase is 6–10 weeks on a non-heritage block or 4–6 months or more if a Heritage Overlay applies. The construction phase is 8–12 months for a project-home build, 12–16 months for mid-range custom and 16–24 months for high-end architect-designed. The single most common mistake is scheduling forwards from settlement instead of backwards from the builder’s slab pour — always work backwards.

Do I need council approval for a knockdown rebuild?

Yes — in almost every case. A standard Melbourne knockdown rebuild needs: a Section 29A demolition consent from your council, an asset protection permit, a building permit for demolition from a Registered Building Surveyor, and a separate building permit for the new construction. If the property is affected by a Heritage Overlay, Neighbourhood Character Overlay or Bushfire Management Overlay, you’ll also need a planning permit (and sometimes two — one for the demolition, one for the new build). Always check VicPlan (vicplan.vic.gov.au) for the specific address before you commit.

Can I demolish a heritage-listed home for a knockdown rebuild in Melbourne?

Sometimes, but it’s rarely automatic. Demolition of an individually significant building under a Heritage Overlay is usually refused unless there are exceptional circumstances. Demolition of a contributory building can be approved with strong justification — typically a Heritage Impact Statement prepared by a qualified heritage consultant. Demolition of a non-contributory building inside a heritage precinct is more frequently approved. For most Heritage Overlay properties, a partial demolition with façade retention is the realistic path, not a full KDR. Inner-east councils — Stonnington, Boroondara, Yarra, Melbourne and Port Phillip — are the most rigorous in Victoria.

Does my Melbourne home have asbestos, and what does that mean for a knockdown rebuild?

If your home was built before 31 December 2003 (the date Australia banned all forms of asbestos), assume ACM is present until a hazardous materials survey confirms otherwise. If it was built before 1990, ACM is almost certain. Common locations include eaves, fences, cement-sheet cladding, vinyl floor tiles, bathroom and laundry linings, garage and shed sheeting, electrical backing boards (Zelemite/Ausbestos) and Super Six corrugated roofing. Under Part 4.4 of the OHS Regulations 2017, a hazardous materials survey and licensed removal are mandatory before demolition. Non-friable (bonded) ACM is removed by a Class B licensed removalist — the licence we hold in-house. Friable, fire-damaged or severely weathered ACM requires a Class A licensed removalist. Independent asbestos clearance certificates are required before the structure can come down.

Who do I hire first — the builder or the demolition contractor?

Either model works, but you should decide before signing anything. If your KDR is straightforward (project-home design, outer-growth corridor, no heritage, no significant asbestos), a builder-led contract with demolition subcontracted is usually fine. If your project involves a Heritage Overlay, significant asbestos, partial-demolition complexity, fire damage, contamination history, or an architect-designed build, contracting a licensed demolition specialist directly is usually cleaner. Mixing the two models halfway — where each party assumes the other has handled something — is the most common cause of mid-project disputes and variation costs.

What does “build-ready” actually mean at demolition handover?

A build-ready block has: every structure, slab, footing, fence-post concrete and old paving fully removed; every truck of rubble lawfully disposed of with weighbridge dockets retained; an asbestos clearance certificate from an independent licensed assessor where ACM was present; EPA Waste Tracker reconciled for every reportable priority waste movement; site grading to a level agreed in writing with your builder; no buried fill or rubble; survey pegs re-established; geotechnical investigation arranged on the cleared block; asset protection final inspection passed; and a complete documentation pack handed to the property owner. If any of those is missing, you’re not at handover yet.

Can I demolish my home myself as an owner-builder for a KDR?

In practice, no — and in some councils, formally no. A Registered Building Surveyor is required to issue the building permit for demolition, and surveyors rarely issue demolition building permits to owner-builders, particularly where asbestos is involved (i.e. almost any pre-1990 Melbourne home). Demolition contractors in Victoria must be registered building practitioners under the VBA framework, and licensed asbestos removalists must hold a current Class A or Class B licence from WorkSafe Victoria. The combination of insurance, EPA waste tracking, council asset protection compliance and WorkSafe asbestos notification is well beyond what’s practical for an owner-builder.

What happens if I knock down my home without the right permits in Melbourne?

Penalties under the Building Act 1993 are substantial — fines for individuals and companies can run into tens of thousands of dollars. WorkSafe and EPA penalties stack on top for any safety or waste breaches: GED breaches under the Environment Protection Act 2017 can reach $1.8 million for companies. Council can issue stop-work orders, refer the matter for prosecution, and in heritage cases require you to rebuild or restore the building. Insurance won’t cover unpermitted demolition, future sale of the property becomes much harder once council records show illegal works, and your Registered Building Surveyor will refuse to issue a building permit for the new construction until the demolition is regularised.

Which Melbourne suburbs are the most complex for knockdown rebuilds?

The five councils with the largest concentrations of Heritage Overlays — Stonnington, Boroondara, Yarra, Melbourne and Port Phillip — are the most rigorous, covering Hawthorn, Kew, Camberwell, Toorak, Armadale, Malvern, South Yarra, Prahran, Fitzroy, Carlton, Collingwood, Richmond, Albert Park, Middle Park and South Melbourne. Bayside (Brighton, Hampton) is strict on individually significant homes. Mornington Peninsula (Sorrento, Portsea, Mornington, Mt Eliza) is heavier than most outer councils because of dense overlay coverage. Yarraville, Seddon and Footscray (Maribyrnong) carry heritage tightness plus contamination concerns. Bushfire-affected sections of the Yarra Ranges and Macedon Ranges add friable asbestos risk and contaminated-soil management on top of standard timelines.

Which Melbourne suburbs are the fastest for knockdown rebuilds?

Outer-growth corridor councils — Wyndham (Tarneit, Werribee, Point Cook, Hoppers Crossing), Casey (Cranbourne, Berwick, Narre Warren), Cardinia (Pakenham, Officer), Melton (Melton, Caroline Springs) and Hume (Sunbury, Craigieburn) — usually run at the fast end of the range. Light heritage footprint, faster council turnaround, lighter asbestos load, simpler asset protection. Most demolitions in these suburbs are single-storey 1980s–2000s homes with no Heritage Overlay and no significant complexity. Allow 6–8 weeks for the demolition-side approvals.

Get a Compliant Knockdown Rebuild Demolition Quote in Melbourne

We’re a fully licensed Melbourne demolition company with Class B (non-friable) asbestos removal capability held in-house — meaning your council paperwork, your hazardous materials survey, your asbestos removal, your EPA Waste Tracker compliance, your service disconnection coordination and the heavy lifting are all handled under one insured roof, across every metropolitan Melbourne council and regional Victoria.

We run the demolition side of knockdown rebuild projects in:

Inner-east heritage suburbs: Hawthorn, Kew, Camberwell, Balwyn, Toorak, Armadale, Malvern, South Yarra, Prahran, Fitzroy, Carlton, Collingwood, Richmond, Albert Park, Middle Park, South Melbourne, Williamstown
Bayside and inner-south: Brighton, Hampton, Sandringham, Beaumaris, Elwood, St Kilda, Caulfield
Middle-ring east and south-east: Bentleigh, McKinnon, Ormond, Carnegie, Murrumbeena, Cheltenham, Mentone, Mordialloc, Glen Waverley, Mt Waverley, Box Hill, Doncaster, Templestowe, Heidelberg, Ivanhoe, Eaglemont
Inner-west: Yarraville, Seddon, Footscray, Newport, Maribyrnong, Sunshine
North: Brunswick, Coburg, Pascoe Vale, Northcote, Thornbury, Preston, Reservoir, Essendon, Pascoe Vale
Outer-west growth corridor: Tarneit, Werribee, Point Cook, Hoppers Crossing, Truganina, Melton, Caroline Springs
Outer-south growth corridor: Cranbourne, Berwick, Narre Warren, Pakenham, Officer, Clyde North
Outer-north growth corridor: Sunbury, Craigieburn, Mickleham, Donnybrook, Wollert, Mernda, Broadmeadows
Outer-east: Ringwood, Croydon, Lilydale, Belgrave, Healesville
Mornington Peninsula: Mornington, Mt Eliza, Rosebud, Sorrento, Portsea, Dromana, Rye
Regional Victoria: Geelong, Ballarat, Bendigo, Yarra Ranges, Macedon Ranges

Whether your knockdown rebuild is a project-home in Tarneit, an architect-designed build in Hawthorn, a 1960s brick veneer replacement in Glen Waverley, a heritage-influenced rebuild in Williamstown, a holiday-house redevelopment in Sorrento, or a fire-damaged property reset in the Yarra Ranges — we’ll handle the demolition phase end-to-end with a fixed-price written quote that satisfies every WorkSafe Victoria, EPA Victoria and council requirement.

Call us today for a free site inspection and a fully itemised, fixed-price knockdown rebuild demolition quote — and get a project that hits your builder’s slab-pour date with a fully cleared, soil-tested, surveyed block, a complete documentation pack and zero compliance gaps waiting to surface six months into your new build.

Disclaimer: This guide summarises knockdown rebuild and residential demolition practice in metropolitan Melbourne and regional Victoria as of May 2026 in plain English. It is not legal, planning, engineering, OHS or environmental advice. Council fees, EPA waste levy rates, fee unit values, regulator policies and construction costs change regularly — always check the current Building Act 1993, Building Regulations 2018, OHS Act 2004, OHS Regulations 2017, Environment Protection Act 2017, Environment Protection Regulations 2021, WorkSafe Victoria Compliance Code: Demolition (2019), AS 2870, AS 3959 and your local council planning scheme, or consult a qualified town planner, Registered Building Surveyor, OHS professional, occupational hygienist, structural engineer, environmental consultant or licensed builder before relying on this information for a specific property. Fee unit values reset on 1 July each year. The metropolitan waste levy is scheduled to rise again on 1 July 2026.

Sources & Further Reading

Building Act 1993 (Vic) and Building Regulations 2018 (Vic)
Planning and Environment Act 1987 (Vic)
Occupational Health and Safety Act 2004 (Vic) and OHS Regulations 2017 (Vic), Part 4.4
Environment Protection Act 2017 (Vic) and Environment Protection Regulations 2021 (Vic)
WorkSafe Victoria — Compliance Code: Demolition (Edition 2, 2019)
WorkSafe Victoria — Compliance Code: Removing Asbestos in Workplaces
EPA Victoria — Civil Construction, Building and Demolition Guide (publication 1834)
EPA Victoria — Asbestos Waste and Waste Tracker guidance
Victorian Building Authority — Demolition Practitioner Registration
VicPlan — vicplan.vic.gov.au
AS 2870 Residential slabs and footings
AS 3959 Construction of buildings in bushfire-prone areas