Home Extension Builder Mount Pritchard — From $150K Fixed Price
Fixed-price home extensions in Mount Pritchard 2170. Rear extension $150K–$300K, second storey $300K–$500K. Liverpool City Council approvals managed. Free site consult.
HIA Member
MBA NSW0476 300 300Quick Answer
A home extension in Mount Pritchard 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.
Home Extension Builder in Mount Pritchard
A home extension in Mount Pritchard spends generous raw material — 550 to 750m² blocks under 1960s-80s stock, with the honest era check deciding brick wing or rebuild comparison.
Where the extension proceeds: the full family wing fits the generous blocks, the era's asbestos gets licensed strip-out, and the Class H junctions are engineered.
At the $850K to $1.05M median, the value equation favours the wing on any house worth extending.
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 Mount Pritchard — 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 Mount Pritchard from $150K
- Liverpool City Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- Class 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 Liverpool (3 km) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Generous blocks, honest checks
Mount Pritchard's 550 to 750m² blocks take the full family wing — but the era check comes first, because on this stock the extend-or-rebuild maths can go either way and you deserve the honest answer.
The central Liverpool-Fairfield position keeps everything practical.
Asbestos and clay handled
The 1960s-70s asbestos gets licensed strip-out, and the Class H junctions are engineered.
The strip-out and the engineered junctions sit in the quote up front.
Home extension builder in Mount Pritchard — key facts
- Suburb
- Mount Pritchard, NSW 2170
- Council / LGA
- Liverpool City Council (Liverpool City)
- Primary zoning
- R2 Low Density
- Typical lot size
- 550–750m²
- Soil class
- Class H
- Median house price
- $850K–$1.05M
- 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 |
|---|---|
| Single-room addition (bedroom/study) | $58,000 – $140,000 |
| Kitchen/living extension | $150,000 – $340,000 |
| Master suite + ensuite addition | $130,000 – $270,000 |
| Second storey (full or partial) | $270,000 – $530,000 |
| Multi-room ground floor wrap | $340,000 – $580,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
Extension feasibility comes down to two things: what the existing structure can carry, and what Liverpool City Council will let you build. We assess both at the consultation — no point designing for a second storey if the slab can't take the load.
⏱Extension designed to integrate with your existing Mount Pritchard home — matching roof lines, materials, and flow between old and new sections. Floor plans, elevations, and 3D renders.
⏱All approval documentation prepared: structural drawings, BASIX, shadow analysis, stormwater, and statement of environmental effects (if DA). Lodged and managed through to Construction Certificate.
⏱Extension construction takes 3–6 months on average. Footings excavated and poured to match existing depth on Class H soil, frame stand, roof tie-in (most weather-critical phase), lock-up, then internal fit-out at the same standard as the existing house.
⏱Defect-free inspection, OC issued, 6-year warranty on all new work. Junction between old and new sections waterproofed and warranted. Maintenance guide covers care of new and existing areas.
⏱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
Explore Related Topics
Extend, Don't Move — Mount Pritchard
Free design consultation for Mount Pritchard 2170. We'll assess your home, design the extension, and provide a fixed-price quote.
Start Your ProjectMore in Mount Pritchard
Other Buildana services in Mount Pritchard
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Mount Pritchard 2170. Liverpool City Council regulations and local controls are covered on each page.