Home Extension Builder Winston Hills — Approved in 60 Days
Winston Hills 2153 extensions with tight approval timelines. CDC where eligible (~15 days), DA via The Hills Shire Council in 40–60 days. Construction 12–24 weeks depending on scope.
HIA Member
MBA NSW0476 300 300Winston Hills Home Extensions — Fixed Price
Winston Hills was built with room to grow — 600–900m² blocks under 1970s–1990s brick homes, laid out in an era when backyards were non-negotiable. That land is exactly what a home extension spends: a rear wing with a second living area and extra bedroom fits most blocks here without the yard feeling it, and the Wianamatta Shale underneath gives footings stable, predictable ground to bear on.
The brick veneer of this era handles ground-floor extensions cleanly and will take a first floor with engineering — though with this much block, going out usually wins on cost and disruption. At a $1.5M–$2.2M median and the M2 putting the city in reach, families here have every reason to stay and every metre they need to. Request a design consult and put the backyard to work.
Buildana manages the complete home extension process in Winston Hills — 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 Winston Hills from $150K
- The Hills Shire Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- M — structural engineering included
- 1970s–1990s-era homes assessed for extension suitability
- Connect new to existing — clean, matched finish
- 6-year structural warranty
- Free design consultation — near Bus to Parramatta (T1, 5 km) / T-Way station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Blocks built for growing into
Winston Hills' 600 to 900m² blocks were laid out when backyards were non-negotiable — and that land is exactly what an extension spends: a rear wing with second living and extra bedrooms fits most blocks without the yard feeling it.
The Wianamatta Shale gives footings stable, predictable ground to bear on.
Out wins on this stock
The 1970s-90s brick veneer extends cleanly at ground level and takes a first floor with engineering — but with this much block, out beats up on cost and disruption nearly every time.
At the $1.5M to $2.2M median with the M2 in reach, staying and extending is the obvious maths.
Home extension builder in Winston Hills — key facts
- Suburb
- Winston Hills, NSW 2153
- Council / LGA
- The Hills Shire Council (The Hills)
- Primary zoning
- R2 Low
- Typical lot size
- 600–900m²
- Soil class
- M
- Median house price
- $1.5M–$2.2M
- Home era
- 1970s–1990s
- 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.
Quality Promise
Our Winston Hills home extensions connect old-to-new cleanly. Matched brickwork, tied roofline, no awkward transitions.
How It Works
From First Call to Final Key
On-site assessment of your 1970s–1990s-era home in Winston Hills. We check structural condition, block dimensions (600–900m²), setback availability, and The Hills Shire Council's DCP requirements. Written feasibility and cost estimate provided.
⏱Designing an extension is half about the new space and half about how it joins the old one. Doorway position, ceiling height transition, floor level matching, light wells — the junction makes or breaks how the finished home feels.
⏱We lodge your extension approval — CDC for eligible designs or DA through The Hills Shire Council. Full documentation including structural engineering for Class M soil, BASIX, and shadow diagrams. CC issued before works start.
⏱For ground-floor rear extensions you usually stay in the house during the build, with temporary weatherproofing at the junction wall until the new section is locked up. Second-storey additions need a 4–8 week relocation during the roof-off and frame-up phase.
⏱Final inspection, Occupation Certificate, 6-year structural warranty. Your Winston Hills home now has the space your family needs.
⏱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
Winston Hills Extension — Free Consultation
Free design consultation for Winston Hills 2153. We'll assess your home, design the extension, and provide a fixed-price quote.
Start Your ProjectMore in Winston Hills
Other Buildana services in Winston Hills
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Winston Hills 2153. The Hills Shire Council regulations and local controls are covered on each page.