Granny Flat Builder Granville — Secondary Dwellings from $150K
Fixed-price granny flat construction in Granville 2142. CDC fast-track approval. Cumberland City Council compliant. 1-bed and 2-bed designs. Free site assessment.
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A granny flat in Granville costs $150,000–$300,000+ depending on size and finishes. 1-bed from $150K, 2-bed from $200K. CDC fast-track approval in 10–15 business days. Buildana manages design, Cumberland City Council approval and fixed-price construction.
Granny Flat Builder in Granville
Granville's established residential areas feature generous blocks from the 1950s–1970s, many well over 450m². Cumberland City Council supports secondary dwelling construction via CDC, and Granville station provides strong rental demand. Buildana has completed multiple granny flat projects across Cumberland LGA and understands the local soil conditions and council requirements.
Buildana manages the full granny flat process in Granville — from site assessment and CDC fast-track approval through to fixed-price construction and handover. We build studio, 1-bedroom, and 2-bedroom designs up to the NSW maximum of 60m².
Read our Complete Granny Flat Guide or explore granny flat builds across Sydney.
- Granny flats in Granville from $150K
- CDC fast-track approval (10–15 business days)
- 450–700m² blocks — most qualify for 60m² granny flat
- Granville zoned R2 Low Density & R3 Medium Density
- Fixed-price contract — design to handover
- Class M soil — engineered slab included
- Rental yield $400–$530/week in Granville
- Free site assessment — near Granville station
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
We inspect your Granville block — lot size (typical 450–700m²), setbacks, services, access, Class M soil check and Cumberland City Council requirements. You'll know if a granny flat is feasible before spending a dollar.
⏱Choose from our proven designs or customise: studio, 1-bed, or 2-bed up to 60m². Floor plans designed for Granville's 450–700m² blocks with correct setbacks.
⏱CDC fast-track (10–15 business days) or DA through Cumberland City Council if required. Granville is zoned R2 Low Density & R3 Medium Density. All documentation prepared and lodged by Buildana.
⏱Fixed-price build from engineered slab (Class M) to handover. Typical construction: 10–16 weeks. Milestone updates from your project manager.
⏱Final inspection, Occupation Certificate, 6-year structural warranty, keys. Separate services connected and metered. Rental yield $400–$530/week in Granville.
⏱Quality Promise
Every Buildana granny flat in Granville is built under a fixed-price contract with full Cumberland City Council compliance and a 6-year structural warranty.
Our Team
Oliver Alameri
Founder / Director / Builder
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
Cost Guide
| Item | Estimated Range |
|---|---|
| Studio (25–35m²) | $120,000 – $170,000 |
| 1-bed granny flat (35–45m²) | $150,000 – $210,000 |
| 2-bed granny flat (50–60m²) | $200,000 – $300,000 |
| Site preparation / excavation | $5,000 – $20,000 |
| Service connections | $5,000 – $15,000 |
| Landscaping and external | $5,000 – $15,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
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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
Buildana builds across greater Sydney — with deep roots in Western Sydney's Fairfield, Liverpool, Cumberland, Canterbury-Bankstown, and Blacktown LGAs.
Last updated: 1 July 2025
Build a Granny Flat in Granville
Free site assessment for Granville 2142. We'll check your block, recommend the best design, and provide a fixed-price quote.
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