
Licensed Custom Home Builder Birrong — Design & Construct
NSW licensed builder (Oliver Alameri) delivering fixed-price custom homes across Birrong 2143. Engineered slab for Class M soil, BASIX 2025, 6-year structural warranty.
Quick Answer
A custom home in Birrong costs $450,000–$1,200,000+ depending on size and specification. Single storey from $450K, double storey from $650K. Buildana manages design, Canterbury-Bankstown Council approvals and fixed-price construction.
Birrong Custom Home Construction
A custom home in Birrong is an affordable knockdown-and-build with its own station. This Canterbury-Bankstown suburb runs post-war housing on standard blocks, much of it ready for replacement, and at a $950K to $1.15M median a designed new home is a sound move with a train at the door. Good transport and accessible prices are driving renewal here.
The ground is stable enough for a slab engineered off geotech to be routine, and the standard blocks suit efficient single or double-storey family designs. Where older homes carry fibro a licensed asbestos strip-out comes first. The station and the surrounding centres keep the location practical for families and investors.
What I would check first on your Birrong block: the footing design off geotech, the building envelope, and any asbestos in older stock. Those set the home.
We build these fixed-price, licence HBL 487805C. Bring us your block and brief and we will draw it.
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 Birrong from $450K
- Designed for your 500–700m² block
- Canterbury-Bankstown Council DA and CDC approvals managed
- Birrong zoned R2 Low Density
- Single and double storey designs
- Class M soil — engineered slab included
- 6-year structural warranty
- Free consultation — near Birrong station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Value with a station
This suburb runs post-war housing on standard blocks, much of it ready for replacement, at a $950K to $1.15M median.
Good transport and accessible prices are driving renewal, and a designed home beats the ageing stock.
A clean family build
The standard blocks suit efficient single or double-storey family designs, on a slab engineered off geotech.
Older fibro gets a licensed asbestos strip-out first, with the station keeping the location practical.
Custom home builder in Birrong — key facts
- Suburb
- Birrong, NSW 2143
- Council / LGA
- Canterbury-Bankstown Council (Canterbury-Bankstown)
- Primary zoning
- R2 Low Density
- Typical lot size
- 500–700m²
- Soil class
- Class M
- Median house price
- $950K–$1.15M
- Home era
- 1940s–1970s
- 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)
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 |
|---|---|
| Vacant land in Birrong (no demolition) | $470,000 – $1,050,000 |
| Knockdown rebuild (incl. demo of 1940s–1970s home) | $530,000 – $1,210,000 |
| New release lot (volume builder alternative) | $500,000 – $890,000 |
| Sloping site (cut/fill + piers on Class M) | $580,000 – $1,260,000 |
| Acreage / large rural-residential | $840,000 – $2,100,000+ |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
Book a free consultation at our Western Sydney showroom or on your Birrong block. We assess the site, walk through your brief, and outline a realistic budget and timeline.
⏱We design for Birrong's climate and your 500–700m² block: cross-ventilation, eaves sized for summer sun angles, living rooms positioned for winter light. Functional first, then we work on the aesthetic.
⏱Full documentation pack: structural engineering for Class M soil, BASIX Certificate, geotechnical testing, stormwater design, and all drawings Canterbury-Bankstown Council and your certifier need. Nothing left to chance.
⏱Approval pathway gets chosen at design stage, not after. CDC is faster but constrains the design envelope; DA gives flexibility but adds time.
⏱Fixed-price build from engineered slab to keys. Weekly milestone updates from your dedicated project manager.
⏱Defect-free handover inspection with you on site. Occupation Certificate, 6-year structural warranty, appliance manuals, maintenance schedule, and the keys to your new Birrong home.
⏱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 July 2025
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Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Birrong 2143. Canterbury-Bankstown Council regulations and local controls are covered on each page.