Skip to content

We’re here to make it feel like home

Buildana construction project in Western Sydney

Licensed Knockdown Rebuild Builder Narellan

NSW licensed KDR specialist in Narellan 2567. Asbestos-accredited demolition, Class M engineered slab, BASIX 2025, 6-year structural warranty on the new home.

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
?

Quick Answer

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

Narellan Knockdown Rebuilds

A knockdown rebuild in Narellan is a solid Camden play — the LGA's main retail and commercial centre, with 1980s to 2000s stock on 600 to 900m² older blocks around the town centre. The aging stock on the established streets suits a modern rebuild.

Against the Camden Growth Centres SEPP 450m² duplex minimum, most established blocks qualify, so I run the duplex numbers where relevant. The Class H reactive clay pockets on the western edge need a stiffened slab designed off a real geotech.

The older stock can carry asbestos, so a licensed strip-out leads the demolition where needed.

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

Buildana manages the complete knockdown rebuild process in Narellan — 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 Narellan from $450K
  • Camden Council DA and CDC approvals managed
  • Demolition and asbestos removal included
  • M — engineered slab design included
  • Typical blocks 300–500m² master-planned (Oran Park/Spring Farm/Gledswood Hills/Harrington Park/Mount Annan); 600–900m² older Camden/Narellan; 1ha+ acreage (Cobbitty/Bickley Vale/Brownlow Hill/Werombi) in Narellan
  • Single and two-storey designs available
  • 6-year structural warranty
  • Free site assessment — near Macarthur (8 km) station
Buildana knockdown-rebuild in Narellan near Narellan Town Centre + Camden Valley Way + Mount Annan Botanic Garden
OA

Reviewed by Oliver Alameri

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

The Camden hub

Narellan's town centre and commercial strip anchor the LGA, and the established 600 to 900m² blocks around it hold aging 1980s-2000s stock that suits a modern rebuild. The location keeps demand genuine.

Against the 450m² duplex minimum, most established blocks qualify, so I run those numbers where relevant.

Reactive clay on the western edge

The Class H reactive clay pockets on the western edge need a stiffened slab designed off a real geotech — the detail that keeps the fixed price honest.

The older stock can carry asbestos, so a licensed strip-out leads the demolition where needed.

Knockdown-rebuild builder in Narellan — key facts

Suburb
Narellan, NSW 2567
Council / LGA
Camden Council (Camden Council)
Primary zoning
R2 Low Density predominant
Typical lot size
300–500m² master-planned (Oran Park/Spring Farm/Gledswood Hills/Harrington Park/Mount Annan); 600–900m² older Camden/Narellan; 1ha+ acreage (Cobbitty/Bickley Vale/Brownlow Hill/Werombi)
Soil class
M
Median house price
$1.0M–$1.4M master-planned; $1.2M–$1.8M Harrington Park/Mount Annan/Cobbitty premium; $2.0M–$5.0M+ Cobbitty/Bickley Vale/Brownlow Hill acreage
Home era
Predominantly 2010s+ master-planned
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 (Predominantly 2010s+ master-planned (Oran Park/Spring Farm/Gledswood Hills); 1980s–2000s (Mount Annan/Currans Hill/Harrington Park); 1900s–1970s heritage Camden CBD Narellan 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
Camden 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. Site visit covers everything that affects the build cost: vehicle access for trucks and crane, services (sewer depth, water connection, electrical service rating), soil exposure for borehole, neighbouring construction, and any obvious heritage or tree constraints. Real numbers, not estimates. Architectural design for your replacement home, structural engineering for Class M soil, BASIX certification, and all approval documentation. Lodged as CDC (10–15 days) or DA (40–90 days) depending on design.

The Narellan construction phase. Fixed price, programmed, supervised. Demolition runs 5–10 working days for a standard Narellan cottage — longer if asbestos volume is significant or the structure includes a brick chimney or solid-block walls. Asbestos work happens first under a controlled removal program before mechanical demo starts. New home built from engineered slab (Class M soil) to keys — fixed-price, milestone-based progress payments. Your project manager provides weekly updates.

The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Walk through your finished home on your original Narellan block. OC issued, all services live, 6-year structural warranty, appliance manuals, and maintenance schedule. Move in.

Our Team

OA

Oliver Alameri

Founder / Director / Builder · MPropDev · PhD Student

AA

Ahmad Alameri

Accounts Manager

CW

Claire Wendell

Project Manager

Estimate Your Build Cost

Use our free calculator to get an instant cost estimate for your project

Open Calculator →

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

Google Reviews
5.0·26+ verified reviews
Buildana built our granny flat in just 12 weeks. Fast approvals, great communication, and a beautiful final product. Highly recommend.
FA

Fatima Al-Rashid

Liverpool, NSW

Read every review
Areas We Serve

We Build Across Sydney

Headquartered in Western Sydney's Fairfield. Active across all 28 metropolitan Sydney LGAs — from Penrith to the Eastern Suburbs, the Hills to the Sutherland Shire.

Book a Narellan Knockdown Rebuild Assessment

Free KDR site assessment for Narellan 2567. We'll assess your block, estimate cost, and provide a fixed-price budget.

Start Your Project