
Custom Home Winston Hills — Design, Approval & Build Under One Contract
Full design-and-construct service in Winston Hills 2153: site assessment, architectural design, The Hills Shire Council approvals, engineering, construction and handover. One builder, one price.
Custom Homes Designed for Winston Hills
Custom in Winston Hills is mid-tier suburban — 600–900m² R2 1970s–1990s brick stock, Wianamatta Shale, R3 around Old Northern Road, M2 Motorway adjacent. Realistic premium custom $3,000–$4,500/m².
Winston Hills's housing stock is mostly from the 1970s–1990s, which is the era where structural bones either hold up or don't — and we see plenty of both across the suburb. For building a custom home here, that history matters: asbestos can still appear in eaves, fences, and external sheeting on some homes — survey is standard before disturbance. Median price $1.5M–$2.2M on typical 600–900m² blocks. Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) ground, foundation cost band $24,000–$42,000.
Buildana's design-and-construct service covers everything — from initial design brief and land assessment through to council approval and fixed-price construction. One builder, one contract, one point of contact.
Read our Complete Custom Home Guide or explore custom home builds across Sydney.
- Custom homes in Winston Hills from $450K
- Designed for your 600–900m² block
- The Hills Shire Council DA and CDC approvals managed
- Winston Hills zoned R2 Low / RU2 Rural Landscape (acreage belt) / R1/R3 (Sydney Metro Northwest precincts)
- Single and double storey designs
- Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) soil — engineered slab included
- 6-year structural warranty
- Free 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
Why Build a Custom Home in Winston Hills?
Winston Hills is the established south-Hills suburb — 1970s–1990s brick on 600–900m² R2 lots, with R3 around Old Northern Road. Wianamatta Shale soil. Strong duplex and granny flat market. M2 Motorway adjacent.
Winston Hills's rural-residential character and 600–900m² blocks set it apart from standard suburban development. R2 Low / RU2 Rural Landscape (acreage belt) / R1/R3 (Sydney Metro Northwest precincts) zoning means different controls apply — larger setbacks, on-site services, and site-specific engineering. Transport access via Bus to Parramatta (T1, 5 km) / T-Way connects Winston Hills to the wider Sydney network. Custom home construction here benefits from 600–900m² blocks that allow generous floor plans — single or double storey designs with proper setbacks and outdoor living. Soil conditions in Winston Hills (Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt), moderately to highly reactive) are factored into every Buildana foundation design.
Custom homes in The Hills span three distinct markets. The acreage premium tier — Kenthurst, Annangrove, Glenhaven, Middle Dural, Maraylya, South Maroota, Cattai, parts of West Pennant Hills — runs 1–10ha+ holdings with end values $3M–$10M+, premium contemporary homes on Hawkesbury Sandstone with rock excavation, bushfire engineering (BAL-29 to BAL-FZ), Asset Protection Zone planning, AWTS on-site sewer, sprinklered eaves and non-combustible cladding. The premium suburban tier — Bella Vista, Castle Hill, West Pennant Hills, Glenhaven (suburban portions) — runs 700–1,500m² R2 lots with end values $2.5M–$5M+, gated estates and Sydney Metro Northwest station-precinct R3 redevelopment. The mid-tier suburban core — Baulkham Hills, Beaumont Hills, Kellyville, Winston Hills, North Rocks, Rouse Hill — runs 500–900m² R2 lots with end values $1.6M–$2.6M, Wianamatta Shale soil and CDC pathways available. Norwest Business Park apartment redevelopment in R4 high-density. North-West Growth Centre release at Box Hill, Nelson, parts of Rouse Hill master-planned. Realistic premium custom $3,200–$4,800/m² for 280–500m² suburban-core build; $4,500–$6,500/m² on Bella Vista/Glenhaven/West Pennant Hills premium suburban; $5,500–$8,500/m² on premium acreage with bushfire engineering, sprinklered eaves, AWTS, full specification at Kenthurst/Middle Dural/Annangrove. Pre-construction 4–7 months on suburban core; 6–10 months on acreage with RFS Bushfire Protection Assessment and AWTS approval.
Planning Controls — The Hills Shire Council
The Hills LEP 2019 & The Hills DCP. The Hills is the largest LGA in Greater Sydney by area — spanning suburban core, North-West Growth Centre release land, and the rural acreage belt to the north. R2 Low Density covers established suburban streets: FSR 0.5–0.55:1, building height 9m, front setback 6–9m, landscaped area 45–60%. R3 Medium Density along station precincts (Castle Hill, Bella Vista, Norwest, Kellyville, Rouse Hill on the Sydney Metro Northwest line), Old Northern Road and town centres permits FSR up to 0.9:1. R4 High Density and B4 Mixed Use concentrated on Norwest Business Park, Castle Towers/Castle Hill Metro precinct, Bella Vista station precinct, Rouse Hill Town Centre and Kellyville station precinct. Hills DCP enforces 600m² R2 dual-occupancy minimum (700m² preferred for premium duplex outcomes). RU2 Rural Landscape covers the acreage belt — Annangrove, Kenthurst, Maraylya, Middle Dural, South Maroota, Cattai, parts of Glenhaven and Nelson — restricting subdivision to 2ha+ minimum and limiting secondary dwellings. Heritage Conservation Areas in pockets covering Castle Hill Showgrounds, Bella Vista Farm, Rouse Hill House and Farm (state-significant), parts of Baulkham Hills heritage cottages and Old Castle Hill Road. Tree Preservation Order LGA-wide and strict — significant remnant bushland on Castle Hill, West Pennant Hills, Glenhaven and the rural west. Wianamatta Shale soil predominant on the suburban core (Baulkham Hills, Castle Hill, Bella Vista, Kellyville, Rouse Hill, Beaumont Hills, Winston Hills, North Rocks, Box Hill, Kellyville Ridge, North Kellyville); Hawkesbury Sandstone soil on the rural west and acreage belt (Annangrove, Kenthurst, Glenhaven, Maraylya, Middle Dural, South Maroota, Cattai, parts of West Pennant Hills) — sandstone rock excavation $25K–$70K on basement/footing scopes. Bushfire-prone land overlays are LGA-defining on the rural west — BAL ratings BAL-12.5 to BAL-FZ on Annangrove, Kenthurst, Glenhaven (parts), Maraylya, Middle Dural, South Maroota, Cattai, parts of Box Hill and Nelson — drive specs (BAL-29 minimum on most acreage; non-combustible cladding, ember-screened openings, sprinklered eaves on BAL-FZ). Asset Protection Zone (APZ) requirements 10–40m+ reshape siting on bushfire-prone parcels. Sydney Water sewer connection extends across the suburban core but the rural acreage belt runs on-site sewer treatment (AWTS) under Council/NSW Health protocols. Riparian setbacks 20–60m on Cattai Creek, Cattai Creek tributaries and Hawkesbury River foreshore (South Maroota, Cattai). The Sydney Metro Northwest line (Tallawong–Chatswood) is the LGA-defining infrastructure event of the past decade, anchoring the R3/R4 redevelopment corridor through Bella Vista, Norwest, Castle Hill, Kellyville and Rouse Hill stations. The North-West Growth Centre at Box Hill, Nelson and the eastern fringe of Rouse Hill is the active master-planned new-release frontier under Department of Planning controls. Norwest Business Park anchors LGA employment and drives R3/R4 apartment demand. Hills T-Way bus corridor and M2 Motorway define the southern transport spine.
Custom home builder in Winston Hills — key facts
- Suburb
- Winston Hills, NSW 2153
- Council / LGA
- The Hills Shire Council (The Hills)
- Primary zoning
- R2 Low / RU2 Rural Landscape (acreage belt) / R1/R3 (Sydney Metro Northwest precincts)
- Typical lot size
- 600–900m²
- Soil class
- Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt)
- Median house price
- $1.5M–$2.2M
- Home era
- 1970s–1990s
- Typical price range
- $450,000 – $1,200,000+
- Typical timeline
- 12–20 months design to handover
- Approval pathway
- CDC fast-track (15 business days) or DA (40–90 days)
Building in Winston Hills — Local Context
Site & Ground Conditions in Winston Hills
Winston Hills sits on Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) soil — moderately to highly reactive clay. For a custom home build, that rules out the cheapest off-the-shelf slab designs straight away. and pushes engineered footings into the $24,000–$42,000 range on most 600–900m² blocks here. Geotechnical testing isn't optional — every Buildana custom home in Winston Hills starts with a borehole report so the slab and footings are sized to your actual block, not a generic spec. Skipping that step is how you end up with cracked cornices and sticking doors three years in. Drainage design matters too — overland flow paths on Winston Hills's topography can collect water against rear setbacks if the contour survey is sloppy.
Approval Timeline for Winston Hills
Realistic timeline for a custom home in Winston Hills: 10–15 business days CDC, or 8–14 weeks DA — depends on the design. Add 2–4 weeks before lodgement for documentation, BASIX certificate, geotech report, and survey if you don't already have one. Construction Certificate is issued separately before works commence.
What a Custom home Costs in Winston Hills
Winston Hills's median house price sits at $1.5M–$2.2M. That's the number that decides whether a custom home build stacks up financially. A new build at $1.5M–$2.2M+ replacement is well-supported by the local market and adds resale headroom on standard 600–900m² blocks. Buildana provides itemised quotes — no provisional sums, no allowances, no "as per engineering" line items.
Winston Hills Housing Stock & What That Means
Most homes in Winston Hills were built 1970s–1990s. Asbestos is possible in eaves, fences, and external sheeting on some homes from this era. Survey before demolition is standard, and Buildana includes licensed removal where required.
What Recent Approvals Show
The Hills Shire Council's recent decisions for Custom homes in Winston Hills reveal a clear pattern — applications that demonstrate genuine understanding of The Hills Shire Council's DCP — not just the State controls — progress materially faster. Sloppy lodgement adds 4-8 weeks of round-trip; clean lodgement doesn't.
Builder's Take on Winston Hills
Honest take on Winston Hills: the 1970s–1990s housing stock is at the point where most owners are better off building new than spending $300K on a deep renovation. The blocks are wide enough, the zoning works, and The Hills Shire Council's CDC pathway is predictable. The mistake I see people make is signing with a project builder and discovering after slab that "allowances" were placeholders — not real prices. Every Buildana contract itemises inclusions by brand and model up-front.
Winston Hills clients often ask about single vs double storey. Quick answer: on a 600–900m² block, double storey usually wins because it preserves backyard. But it adds $120K–$200K to the build, and the stairs make it less practical for owners planning to age in place. If retirement's in sight, a single-storey design with a future granny-flat attached is often smarter.
Winston Hills vs Nearby Suburbs
Winston Hills vs nearby suburbs — key metrics for building a custom home.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Winston Hills2153this suburb | $1.5M–$2.2M | 600–900m² | Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) | 1970s–1990s | Bus to Parramatta (T1, 5 km) / T-Way |
| Baulkham Hills2153 | $1.6M–$2.4M | 600–900m² | Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) | 1970s–1990s | Bus to Castle Hill Metro (3 km) / T-Way |
| Northmead2152 | $1.4M–$2.0M | 550–800m² | Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park | 1950s–1980s | Bus to Parramatta (T1, 4 km) |
| North Rocks2151 | $1.6M–$2.3M | 600–900m² | Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) | 1960s–1980s | Bus to Carlingford T2 / Parramatta (4 km) |
Median price, soil class, and lot size shape build feasibility and final cost. Buildana assesses every site against these and other constraints during the free feasibility stage.
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Quality Promise
Every Buildana custom home in Winston Hills is designed for your block and built under a fixed-price contract — no surprises, no hidden extras.
How It Works
From First Call to Final Key
First meeting is about getting the brief right — number of bedrooms, lifestyle priorities, future-proofing, budget envelope, and what you'd hate to compromise on. We pair that with what your Winston Hills block actually allows under R2 Low / RU2 Rural Landscape (acreage belt) / R1/R3 (Sydney Metro Northwest precincts) controls.
⏱Floor plan designed specifically for your Winston Hills block — orientation, setbacks, views, slope, and how you actually live. 600–900m² blocks allow generous layouts.
⏱We prepare everything needed for approval — engineering drawings sized for Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) ground conditions, BASIX certificate, geotech report, survey, and stormwater plan. All documentation handled in-house.
⏱Lodgement, RFI responses, condition negotiation, and CC issue — all managed in-house. The Hills Shire Council has typical processing windows we plan around so the build start date isn't a moving target.
⏱Construction runs 24–40 weeks depending on size and complexity. Your project manager provides weekly updates with photos and milestone tracking.
⏱Handover is a sign-off process, not a key drop. We walk every room with you, mark anything below standard, complete those items before settling, then issue OC, warranty, and documentation.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
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Liverpool, NSW
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Last updated: 1 July 2025
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