Licensed Home Extension Builder Fairfield West
NSW licensed extension specialist. Fairfield West 2165 extensions on 1960s–1980s-era homes require structural sign-off, Class M–H footings, and matched connection — we engineer and document properly.
HIA Member
MBA NSW0476 300 300Quick Answer
A home extension in Fairfield West costs $150,000–$600,000+. Rear extension from $150K, second-storey addition from $300K. Buildana manages design, Fairfield City Council approvals, and construction under one fixed-price contract.
Fairfield West Home Extensions — Fixed Price
A home extension in Fairfield West works our home LGA's quieter side — wide 450 to 700m² blocks with mixed-era stock and the rear depth for the full family wing.
The era read leads: brick extends cleanly, fibro gets the licensed strip-out, and the reactive pockets get engineered footings — all local knowledge we carry street by street.
At the $900K to $1.15M median, the extend-versus-move sums land firmly on staying.
We build these fixed-price, licence HBL 487805C. Ask us to measure what your block can hold — we are minutes away.
Buildana manages the complete home extension process in Fairfield West — from design consultation and structural engineering through to DA or CDC approval, and fixed-price construction to handover. Extend your home without the stress.
Read our Home Extension Cost Guide 2026 or explore extension approval pathways in NSW.
- Home extensions in Fairfield West from $150K
- Fairfield City Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- Class M–H soil — structural engineering included
- 1960s–1980s-era homes assessed for extension suitability
- Connect new to existing — clean, matched finish
- 6-year structural warranty
- Free design consultation — near Fairfield (2 km) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Local knowledge, minutes away
Fairfield West is our home LGA — we know which streets carry the clay, which eras hide the fibro, and the wide blocks take the family wing without drama.
The quieter residential character is exactly what extending preserves.
Era and ground handled
Brick extends cleanly, fibro gets the licensed strip-out where touched, and the reactive pockets get engineered footings.
All of it is costed up front, street knowledge included.
Home extension builder in Fairfield West — key facts
- Suburb
- Fairfield West, NSW 2165
- Council / LGA
- Fairfield City Council (Fairfield City)
- Primary zoning
- R2 Low Density
- Typical lot size
- 450–700m²
- Soil class
- Class M–H
- Median house price
- $900K–$1.15M
- Home era
- 1960s–1980s
- Typical price range
- $150,000 – $600,000+
- Typical timeline
- 6–12 months design to handover
- Approval pathway
- CDC for most rear extensions, DA for second-storey
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
| Item | Estimated Range |
|---|---|
| Simple rear extension (single wall removal, no roof change) | $86,000 – $190,000 |
| Moderate extension (multiple openings, roof extended) | $190,000 – $360,000 |
| Complex extension (structural steel portals, re-roofing) | $360,000 – $570,000 |
| Second-storey tie-in (existing house re-engineered) | $330,000 – $620,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
The first job on an extension is finding out what you're extending onto. Fairfield West homes from the 1960s–1980s were built to different standards — we open walls, check footings, verify load paths. The existing house has to carry the new work.
⏱Design follows the existing roof. A bad extension looks like a bolt-on; a good one reads as original. Matched brickwork or contrasting render (whichever the architecture calls for), tied-in roofline, continuous flooring where it should be continuous.
⏱Construction happens while you live in the house. That means weatherproofing every night, staging the works so kitchens and bathrooms don't disappear on the same week, and keeping the site clean of debris that doesn't belong in a family home.
⏱Finish is seamless. Paint match, floor match, roofline match, brick match where possible. The only way to tell the extension is new is the date on the plans.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
Estimate Your Build Cost
Use our free calculator to get an instant cost estimate for your project
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
Buildana built our granny flat in just 12 weeks. Fast approvals, great communication, and a beautiful final product. Highly recommend.
Fatima Al-Rashid
Liverpool, NSW
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.
Last updated: 1 April 2026
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Other Buildana services in Fairfield West
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Fairfield West 2165. Fairfield City Council regulations and local controls are covered on each page.