Skip to content
Buildana — Custom Home Builders Sydney

Research & Data

Sydney Construction Cost Data

Free, regularly-updated building cost statistics sourced from 15+ years and 50+ projects across Sydney — including Fairfield, Liverpool, Cumberland, Canterbury-Bankstown, and Blacktown. Cite freely with attribution.

Residential Construction Costs Per m² (2026)

Based on completed projects across Sydney. Includes structural, fit-out, fixtures, plumbing, electrical, painting, and GST. Excludes land, council fees, and professional fees.

Standard Build

$2,200 – $2,800/m²

Standard custom homes, brick veneer, quality fixtures, basic landscaping (Rawlinsons-benchmarked)

Premium Build

$2,800 – $3,800/m²

Upgraded kitchens and bathrooms, engineered timber, ducted AC, premium finishes

Luxury Build

$3,800 – $5,500/m²

Architect-designed, stone benchtops, smart home, full brick, prestige finishes

Typical Project Costs (2026)

Indicative price ranges for common project types in Sydney.

Project TypePrice Range
Custom Home (4-bed standard lot)$450K – $550K
Duplex (turn-key, both units)$750K – $1.2M
Granny Flat (1–2 bed)$150K – $250K
Knockdown Rebuild$500K – $800K+
Townhouse (3-unit project)$1.1M – $1.8M
Boarding House (10+ rooms)$1.5M – $2.5M

Costs vary by site conditions, soil type, slope, and specific council requirements. Contact us for a detailed estimate.

Common Additional Costs

Section 7.12 Development Levy0.5 – 1% of project cost
Geotechnical Soil Test$1,500 – $3,000
Asbestos Removal$5,000 – $20,000
Reactive Clay Foundation Upgrade$15,000 – $40,000
Stormwater Detention Tank$3,000 – $8,000
BASIX Compliance (energy rating)$800 – $2,000

Research Reports

State of Building in Western Sydney 2026

Annual report covering construction costs, approval timelines, labour availability, and growth forecasts across Sydney's key LGAs.

Read report

LGA Building Regulations Comparison

Side-by-side comparison of zoning, setbacks, FSR, fees, and approval pathways across Sydney's key Western Sydney councils.

Read report

Interactive Calculators

Building Cost Calculator

Estimate your build cost by suburb, size, and finish level.

Feasibility Check

Quick duplex or multi-dwelling feasibility assessment.

Suburb Stats

Construction activity and zoning data by suburb.

Using This Data?

You're welcome to reference and cite any data on this page. We just ask for a link back to buildana.com.au/data as the source. For press or media enquiries, visit our press page.

Need a Detailed Quote?

Get a free, no-obligation cost estimate tailored to your site and project.

Get Your Free Quote