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Knockdown Rebuild Boronia Park — Demo to Handover in 12 Months

Boronia Park 2111 KDR with tight programme: demolition (3–4 weeks), new home (24–40 weeks). CDC fast-track or Hunters Hill Council DA. Weekly progress updates.

Based in Fairfield, Western Sydney5.0 Google RatingLicensed & Insured (LIC 487805C)HIA Member — Buildana Custom Home Builders SydneyHIA MemberMaster Builders Association NSW Member — BuildanaMBA NSW0476 300 300
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Quick Answer

A knockdown rebuild in Boronia Park costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, Hunters Hill Council approvals, and construction under one fixed-price contract.

Knockdown Rebuild Builder in Boronia Park

A knockdown rebuild in Boronia Park depends heavily on your street, because this bushland-fringe Hunters Hill suburb has Heritage Conservation Areas over several streets and heritage Federation cottages. On a heritage-listed street, demolition is restricted and the answer is a sensitive renovation. On the non-heritage blocks, a rebuild is a play, but the stepped sandstone lots make it a considered, higher-cost job.

The sandstone-dominant, stepped lots mean deep rock excavation on the new slab and footings, priced from a real geotech. Where the older home carries asbestos in later additions, a licensed strip-out and clearance certificate lead the demolition. The first check is the heritage layer.

What I check first on your Boronia Park knockdown rebuild: whether you sit inside a Heritage Conservation Area where demolition is restricted, the depth to rock on the stepped lot, and asbestos in the demolition. Those decide the play and the price.

We rebuild fixed-price, licence HBL 487805C. Get our knockdown rebuild feasibility before you commit.

Buildana manages the complete knockdown rebuild process in Boronia Park — from site assessment and architectural design through to DA or CDC approval, demolition management, and fixed-price construction to handover. One builder, one contract, one new home.

Read our KDR Cost Guide 2026 or use the Renovation vs KDR Calculator to compare options.

  • New home in Boronia Park from $450K
  • Hunters Hill Council DA and CDC approvals managed
  • Demolition and asbestos removal included
  • Hawkesbury Sandstone bedrock — engineered slab design included
  • Typical blocks 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip) in Boronia Park
  • Single and two-storey designs available
  • 6-year structural warranty
  • Free site assessment — near Wollstonecraft (5 km) station
Buildana knockdown-rebuild in Boronia Park near Boronia Park + Riverside Walk + Lane Cove River bushland
OA

Reviewed by Oliver Alameri

Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010

Heritage and stepped sandstone lots

Boronia Park has Heritage Conservation Areas over several streets and genuine heritage Federation cottages, so on a contributing home demolition is restricted and a knockdown rebuild is off the table, with a sensitive renovation the path instead. On the non-heritage blocks, a rebuild is a play, but the bushland-fringe, stepped sandstone lots make it a considered job. So the first thing I do is check the heritage layer.

Where a rebuild does stack up, the bushland setting and the reserves on multiple sides give a new home a genuinely desirable outlook worth designing to.

Deep rock and asbestos

The sandstone-dominant, stepped Boronia Park lots mean deep rock excavation on the new slab and footings is common, priced from a real geotech rather than assumed, because it is a real budget line. Where the older home carries asbestos in later additions, a licensed strip-out and clearance certificate lead the demolition. I map the heritage, the rock and the clearance as part of the feasibility.

Knockdown-rebuild builder in Boronia Park — key facts

Suburb
Boronia Park, NSW 2111
Council / LGA
Hunters Hill Council (Hunters Hill Council)
Primary zoning
R2 Low Density
Typical lot size
500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip)
Soil class
Hawkesbury Sandstone bedrock
Median house price
$3.5M–$6.5M typical heritage; $5.0M–$15M+ harbour-front Woolwich/Hunters Hill peninsula
Home era
1880s–1940s Federation/Victorian/inter-war heritage predominant
Typical price range
$450,000 – $1,200,000+
Typical timeline
14–22 months including demolition
Approval pathway
CDC where eligible or DA for complex sites

Want a real number for YOUR block — not a generic estimate?

Free site assessment, fixed-price contract, line-itemised quote within 48 hours. No high-pressure sales — just a real builder talking real numbers.

Cost Guide

ItemEstimated Range
Single storey rebuild (150–200m²)$480,000 – $680,000
Double storey rebuild (200–300m²)$680,000 – $1,050,000
Premium rebuild (300m²+)$1,050,000+
Demolition (1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill Boronia Park home)$18,000 – $40,000
Asbestos removal (if present)$8,000 – $25,000
Service disconnections & reinstatement$3,000 – $8,000

Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.

Demolition pre-approved to run alongside DA/CDC lodgement for the rebuild
Site cleared in 5–10 business days — one mobilisation, one crew
Hunters Hill Council CDC pathway 10–15 business days where design complies with SEPP
DA pathway 40–90 days if envelope sits outside Codes SEPP — flagged up-front
Construction programme 24–40 weeks slab-to-keys for standard rebuild
Demolition and rebuild sequenced so trades arrive without idle waiting

How It Works

From First Call to Final Key

Everything that has to be right before we touch the ground. We assess your Boronia Park block — lot size (typical 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip)), R2 Low Density zoning, setbacks, FSR, and existing dwelling condition. Asbestos survey included. You'll know feasibility and budget before committing. Complete design package: floor plans, elevations, 3D renders, structural engineering, geotech, BASIX, stormwater, and all documentation Hunters Hill Council requires. Approval managed start to finish.

The Boronia Park construction phase. Fixed price, programmed, supervised. Pre-demolition: dilapidation report on adjoining properties (protects you against unfounded damage claims), service disconnections, asbestos clearance, neighbour notification. Then 1–2 weeks of physical demolition with material sorted at site for recycling where possible. Fixed-price construction: engineered slab, frame, lock-up, fit-out, external works. 8–12 months depending on size. Weekly progress reports with photos and milestone tracking.

The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Same address, completely different home. Permanent gas, water, electrical, NBN reconnected and tested. Council waste collection re-registered. Mailbox reinstalled. Move-in ready, not move-in plus 100 small jobs.

Our Team

OA

Oliver Alameri

Founder / Director / Builder · MPropDev · PhD Student

AA

Ahmad Alameri

Accounts Manager

CW

Claire Wendell

Project Manager

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Still got questions? Talk to Oliver directly.

30-min free call — bring your block, your brief, your budget. We'll map out feasibility, timeline, and realistic cost. No sales pitch.

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Knockdown Rebuild in Boronia Park

Free KDR site assessment for Boronia Park 2111. We'll assess your block, estimate cost, and provide a fixed-price budget.

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