
Custom Home Builder Kellyville — From $450K Fixed Price
Fixed-price custom home construction in Kellyville 2155. One contract, one price, zero variations. The Hills Shire Council approved. Free consultation.
Quick Answer
A custom home in Kellyville costs $450,000–$1,200,000+ depending on size and specification. Single storey from $450K, double storey from $650K. Buildana manages design, The Hills Shire Council approvals and fixed-price construction.
Kellyville Custom Home Construction
Custom in Kellyville is mid-tier to premium — 500–800m² R2 1990s–2010s estate stock, Sydney Metro Northwest station drives R3/R4 station-precinct redevelopment. Wianamatta Shale. Norwest adjacent. Realistic premium custom $3,200–$4,800/m².
Most Kellyville blocks run 500–800m² on Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) ground. Custom home design works best when the floor plan is drawn to your specific block — orientation, slope, views, neighbours' overlooking — rather than dropping a catalogue plan onto land it was never designed for. Median price band: $1.8M–$2.6M. Kellyville (Sydney Metro Northwest, in suburb) station services the suburb.
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 Kellyville from $450K
- Designed for your 500–800m² block
- The Hills Shire Council DA and CDC approvals managed
- Kellyville 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 Kellyville (Sydney Metro Northwest, in suburb) 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 Kellyville?
Kellyville is the 1990s–2010s master-planned suburb — 500–800m² R2 lots, contemporary brick and rendered. Sydney Metro Northwest station drives R3 redevelopment. Wianamatta Shale soil. Strong family demand. Norwest adjacent.
Kellyville's rural-residential character and 500–800m² 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. Kellyville benefits from Kellyville (Sydney Metro Northwest, in suburb) station on the doorstep — walkable rail access lifts both rental demand and property values. Custom home construction here benefits from 500–800m² blocks that allow generous floor plans — single or double storey designs with proper setbacks and outdoor living. Soil conditions in Kellyville (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 Kellyville — key facts
- Suburb
- Kellyville, NSW 2155
- 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
- 500–800m²
- Soil class
- Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt)
- Median house price
- $1.8M–$2.6M
- Home era
- 1990s–2010s
- 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 Kellyville — Local Context
Site & Ground Conditions in Kellyville
Kellyville 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 500–800m² blocks here. Geotechnical testing isn't optional — every Buildana custom home in Kellyville 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 Kellyville's topography can collect water against rear setbacks if the contour survey is sloppy.
What The Hills Shire Council Wants to See
Approval in Kellyville comes down to documentation quality. The Hills Shire Council processes a high volume of residential applications, and the ones that get approved fast share three traits: clean drawings that show every required setback dimension on plan; a BASIX certificate that matches the actual specification (not a stand-in); and an engineering package sized correctly for the Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) ground. We prepare every document at full lodgement standard the first time.
Realistic Budget for Kellyville
For a custom home build in Kellyville, the budget conversation starts with what you actually want versus what the site supports. Most quotes you'll get from volume builders strip out the things that matter on Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) soil — engineered slab upgrade, decent waterproofing, real drainage design, BASIX-compliant glazing — and present them as variations after you sign. We don't do that. Buildana's contract is fixed-price including everything required to deliver a custom home that complies with NCC 2025 on a 500–800m² block in Kellyville. If you're comparing project home pricing, add 10–15% to the headline number for a like-for-like comparison.
Lifestyle Fit in Kellyville
Kellyville has a settled residential character. Kellyville (Sydney Metro Northwest, in suburb) station is the rail anchor for the suburb. Local landmark: Sydney Metro station + Kellyville Plaza. For families building a custom home here, the design considerations that matter day-to-day: orientation for natural light (north-facing living wherever the lot allows), separation between adult and kids' zones, a kitchen that opens to outdoor entertaining, garage size that fits a real family vehicle plus storage, and a layout that doesn't require renovating again in 10 years as the kids grow. Buildana designs for the long arc of how families actually use a home, not just the showroom photo.
Realistic Kellyville Timeline
End-to-end timeline for a custom home build in Kellyville, lodgement-realistic: 8-14 weeks for DA, depending on neighbour notification and any RFI rounds. Add 2-3 weeks for documentation pack assembly before lodgement (BASIX, geotech for Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt), contour survey, hydraulic). Add 1 week for Construction Certificate post-approval. Construction itself runs 8-12 months once you're on the ground. Buildana provides a dated programme in every contract, not a vague "12-18 months" range.
Builder's Take on Kellyville
Energy compliance in Kellyville gets treated as a box-tick but it's where long-term value lives. BASIX 2025, 7-star NatHERS, proper glazing, sealed envelope — these add maybe 2–4% to the build cost and save 30–40% on running costs over 20 years. Not optional for good design, even if regulation stops short of requiring the full package.
If you're building a custom home on a 500–800m² block in Kellyville, the single biggest cost lever is orientation, not finishes. Get the living areas facing north, eaves sized for summer sun, and you'll save five figures over the life of the home in cooling costs. I push clients to lock the plan on orientation before we talk tiles.
Kellyville vs Nearby Suburbs
Kellyville vs nearby suburbs — key metrics for building a custom home.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Kellyville2155this suburb | $1.8M–$2.6M | 500–800m² | Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) | 1990s–2010s | Kellyville (Sydney Metro Northwest, in suburb) |
| Bella Vista2153 | $2.5M–$5M+ | 700–1,200m² | Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) | 1990s–2010s+ | Bella Vista (Sydney Metro Northwest, in suburb) |
| Beaumont Hills2155 | $1.7M–$2.5M | 500–800m² | Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) | 1990s–2000s | Bus to Rouse Hill Metro (3 km) |
| North Kellyville2155 | $1.4M–$1.9M | 350–650m² | Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) | 2010s+ contemporary | Bus to Kellyville Metro (3 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.
Have a question about your project?
Talk to our team — free site assessment and fixed-price quote.
How It Works
From First Call to Final Key
Free initial consultation — we discuss your Kellyville build, your brief, your budget, and your block. Kellyville blocks are typically 500–800m² with R2 Low / RU2 Rural Landscape (acreage belt) / R1/R3 (Sydney Metro Northwest precincts) zoning. Honest advice on what's achievable under The Hills Shire Council's controls.
⏱Design phase covers layout, orientation, and aesthetics for your Kellyville site. We work through room sizes, ceiling heights, storage, and natural light until the plan fits how your family actually lives. 3D renders show the finished result before construction starts.
⏱Construction-grade drawings, not concept sketches. Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) engineered slab and footings, structural frame computations, BASIX 2025 compliance, stormwater connection design, contour survey, and detailed sections through every junction. Approval pack ready for The Hills Shire Council or private certifier.
⏱We lodge and manage your approval — CDC for eligible designs (10–15 business days) or DA through The Hills Shire Council if the design sits outside complying development thresholds. CC issued before construction starts.
⏱Build sequence on your Kellyville block: site set-up, slab pour and cure, frame stand and tie-down, roof and lock-up, internal fit-out (plaster, paint, joinery, tiles), kitchen and bathroom installation, final services connection, external works (driveway, fencing, landscaping). Each stage signed off before the next.
⏱Final inspection, Occupation Certificate, 6-year structural warranty, keys, and maintenance guide. Your new home near Sydney Metro station + Kellyville Plaza.
⏱Quality Promise
We build custom homes in Kellyville the way they should be built — one contractor, fixed price, accountability at every stage.
Cost Guide
| Item | Estimated Range |
|---|---|
| Entry-level single storey | $460,000 – $610,000 |
| Mid-range double storey | $710,000 – $970,000 |
| Architectural custom build | $970,000 – $1,430,000 |
| Luxury / high-spec custom | $1,430,000+ |
| Class M (Wianamatta Shale, suburban core) / H (Hawkesbury Sandstone, rural west + acreage belt) slab uplift | $5,000 – $26,000 |
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
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Last updated: 1 July 2025
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