
Licensed Home Extension Builder West Hoxton
NSW licensed extension specialist. West Hoxton 2171 extensions on 1990s–2000s-era homes require structural sign-off, Class H footings, and matched connection — we engineer and document properly.
Quick Answer
A home extension in West Hoxton costs $150,000–$600,000+. Rear extension from $150K, second-storey addition from $300K. Buildana manages design, Liverpool City Council approvals, and construction under one fixed-price contract.
Extending Homes in West Hoxton
A home extension in West Hoxton grows the 1990s-2000s family home — sound stock the household has outgrown, solved by the rear wing without leaving the streets and schools the family runs on.
The clean fabric keeps the work simple, the Class H clay gets engineered junctions, and the 500 to 650m² blocks take the addition with the plan worked properly.
At the $900K to $1.1M median, extending beats upsizing clearly.
We build these fixed-price, licence HBL 487805C. Ask us to measure what your block can hold.
Buildana manages the complete home extension process in West Hoxton — 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 West Hoxton from $150K
- Liverpool City Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- Class H soil — structural engineering included
- 1990s–2000s-era homes assessed for extension suitability
- Connect new to existing — clean, matched finish
- 6-year structural warranty
- Free design consultation — near Liverpool (5 km) station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
The outgrown-home answer
West Hoxton's 1990s-2000s homes are sound but often too small for the household they now hold — the rear wing adds the bedrooms and second living while the schools and streets stay home.
With clean fabric, the budget goes entirely into the new space.
The Class H junction
The Class H clay wants movement, so the footing junction is engineered to let the wing ride with the house.
The junction engineering is a line item up front.
Home extension builder in West Hoxton — key facts
- Suburb
- West Hoxton, NSW 2171
- Council / LGA
- Liverpool City Council (Liverpool City)
- Primary zoning
- R2 Low Density
- Typical lot size
- 500–650m²
- Soil class
- Class H
- Median house price
- $900K–$1.1M
- Home era
- 1990s–2000s
- 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.
How It Works
From First Call to Final Key
Everything that has to be right before we touch the ground. Walk through your West Hoxton home with our designer and structural engineer. We measure, photograph, and check the bones — footings, frame condition, roof structure. The cost estimate that follows is grounded in what we found, not a generic per-m² number. Our designer works with your existing home's layout — connecting new living areas to existing rooms, matching materials and roof pitch, and maximising natural light. You approve floor plans and 3D renders before we proceed.
⏱The West Hoxton construction phase. Fixed price, programmed, supervised. Most rear extensions in West Hoxton qualify for CDC — cleaner, faster, no neighbour notification. Second-storey additions typically need DA through Liverpool City Council because of overshadowing and privacy assessments. We choose based on your design, not on what's easier to lodge. Extension built from new footings to completion — connecting structurally to your existing home. Class H soil design managed. Temporary weatherproofing maintains liveability where possible.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Walk through the completed extension, confirm finishes, collect your OC. Six-year structural warranty covers all new work including the junction with your existing home. Maintenance guide provided.
⏱Quality Promise
Every Buildana home extension in West Hoxton is delivered under a fixed-price contract — from design consultation through to defect-free handover.
Cost Guide
| Item | Estimated Range |
|---|---|
| Small rear extension (up to 30m²) | $87,000 – $170,000 |
| Medium rear/side extension (30–60m²) | $170,000 – $310,000 |
| Large ground-floor extension (60–100m²) | $310,000 – $490,000 |
| Second-storey addition (60–120m²) | $270,000 – $530,000 |
| Wrap-around (ground + 1st floor) | $490,000+ |
| Structural engineering & tie-in | Included |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
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
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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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Costs, approval pathway and fixed-price contract detail for every other build type we deliver in West Hoxton 2171. Liverpool City Council regulations and local controls are covered on each page.