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Knockdown Rebuild Allawah — From $450K All-In

Fixed-price knockdown rebuild in Allawah 2218. Demolition, new home, all Georges River Council approvals under one contract. No surprises, no variation trail.

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

New Home on Your Allawah Block

A knockdown rebuild in Allawah is a compact station-suburb play — Federation cottages, inter-war heritage and 1960s-90s brick on 350 to 550m² R2 blocks between Hurstville and Carlton, with renewal strong and its own station.

The blocks run tighter than the neighbouring suburbs, so the survey matters — on the larger lots a rebuild works cleanly, while the R3 along the station precinct can make medium-density the bigger play on qualifying blocks.

The shale-sandstone interface means the slab is designed off a real geotech, and the pre-war stock carries asbestos and lead paint, so a licensed strip-out leads the demolition.

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

Buildana manages the complete knockdown rebuild process in Allawah — 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 Allawah from $450K
  • Georges River Council DA and CDC approvals managed
  • Demolition and asbestos removal included
  • M — engineered slab design included
  • Typical blocks 400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point) in Allawah
  • Single and two-storey designs available
  • 6-year structural warranty
  • Free site assessment — near Allawah station
Allawah knockdown rebuild — 1920s–1960s heritage Federation/Californian Bungalow + 1960s–1990s brick veneer + 2010s+ R3/R4 redevelopment around Hurstville/Kogarah/Beverly Hills CBDs home replaced with new build
OA

Reviewed by Oliver Alameri

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

Compact blocks, survey first

Allawah's 350 to 550m² blocks run tighter than the neighbouring suburbs, so the survey does more of the deciding — on the larger lots a rebuild works cleanly, designed to the envelope. The station and the renewal momentum keep demand genuine.

On the R3 station precinct, medium-density can be the bigger play, which I check first.

Interface ground and old stock

The shale-sandstone interface means the slab is designed off a real geotech. The pre-war stock carries asbestos and lead paint, so a licensed strip-out leads the demolition.

Both are in the feasibility and the fixed price.

Knockdown-rebuild builder in Allawah — key facts

Suburb
Allawah, NSW 2218
Council / LGA
Georges River Council (Georges River Council)
Primary zoning
R2 Low Density
Typical lot size
400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point)
Soil class
M
Median house price
$1.5M–$2.4M typical; $2.0M–$3.5M Oatley/Lugarno/Peakhurst Heights premium foreshore; $3.0M–$8.0M+ direct waterfront
Home era
1920s–1960s heritage Federation/Californian Bungalow + 1960s–1990s brick veneer + 2010s+ R3/R4 redevelopment around Hurstville/Kogarah/Beverly Hills CBDs
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.

Quality Promise

Buildana handles Allawah KDR end-to-end — old house out, new house in, one contract, one contractor, one defined timeline.

Fixed-price KDR constructionNCC 2025 and BASIX compliantFull Georges River Council complianceLicensed demolition and asbestos removalWeekly progress updates6-year structural warranty

How It Works

From First Call to Final Key

KDR feasibility is two questions: what can the block legally support, and is it cheaper to build new than fix old. We answer both in writing within a week, with cost ranges grounded in current Allawah market data — not generic Sydney averages.

New home designed for your Allawah block — maximising FSR, orientation, and streetscape. Working drawings, engineering, and BASIX prepared.

Full demolition management: asbestos survey report, licensed removal where required, structural demolition, site clearing, temporary fencing, and dust/noise management. Georges River Council demolition permit obtained beforehand.

Build sequence: site prep, slab pour, frame stand, roof, brickwork, lock-up, plumbing and electrical rough-in, plaster, internal fit-out, kitchen install, tiling, flooring, painting, external works, final clean. Each stage signed off before payment release.

Defect-free handover inspection, OC issued, keys in hand. Permanent services reconnected, landscaping complete, 6-year structural warranty, and full maintenance guide provided.

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.

Frequently Asked Questions

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Liverpool, NSW

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