Granny Flat Builder Kensington — From $150K Fixed Price
Fixed-price granny flat construction in Kensington 2033. 1-bed from $150K, 2-bed from $185K. CDC approval, Randwick City Council compliant. No hidden extras.
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MBA NSW0476 300 300Quick Answer
A granny flat in Kensington 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, Randwick City Council approval and fixed-price construction.
Building Granny Flats in Kensington
A granny flat in Kensington depends on the block. This inner Randwick LGA suburb adjoining UNSW mixes Federation cottages, inter-war heritage, post-war flats and contemporary apartments on 250 to 600m² blocks — the larger freestanding lots clear the 450m² Housing SEPP threshold and can take a studio, while the tighter and strata blocks often can't, so the survey is the honest first step.
Where a block qualifies, the UNSW student market makes a studio very lettable. Zoning matters here: R3 and R4 along Anzac Parade and Doncaster Avenue permits higher density, so on those streets a secondary dwelling isn't the highest use. Heritage Conservation Areas cover several streets and can add a full DA rather than the fast CDC path.
The ground is sandstone, so the slab is engineered off a real geotech. The older stock can carry fibro, so a licensed asbestos strip-out leads where any demolition is involved.
We build fixed-price, licence HBL 487805C. Survey, zoning and heritage scoped first.
Buildana manages the full granny flat process in Kensington — 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 Kensington from $150K
- CDC fast-track approval (10–15 business days)
- 250–600m² blocks — most qualify for 60m² granny flat
- Kensington zoned R2 Low / R3 Medium (Coogee/Maroubra/Kingsford R4 spines)
- Fixed-price contract — design to handover
- M — engineered slab included
- Rental yield $650–$1,000/week in Kensington
- Free site assessment — near Light Rail Kensington / Kingsford station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Depends on the block
Kensington mixes cottages, heritage, flats and apartments on 250 to 600m² blocks — the larger freestanding lots clear the 450m² Housing SEPP threshold, while the tighter and strata blocks often can't.
The survey is the honest first step, and the UNSW student market makes a qualifying studio very lettable.
Zoning and heritage
R3/R4 along Anzac Parade and Doncaster Avenue is the higher use, so a granny flat suits the settled R2 blocks.
Heritage on several streets can add a DA, and the sandstone ground means the slab is engineered off a geotech.
Granny flat builder in Kensington — key facts
- Suburb
- Kensington, NSW 2033
- Council / LGA
- Randwick City Council (Randwick)
- Primary zoning
- R2 Low
- Typical lot size
- 250–600m²
- Soil class
- M
- Median house price
- $2.2M–$4M
- Home era
- 1900s–1960s + apartments
- Typical price range
- $150,000 – $300,000+
- Typical timeline
- 4–6 months design to handover
- Approval pathway
- CDC via NSW Affordable Rental Housing SEPP (10–15 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 |
|---|---|
| Standard inclusions (entry level) | $170,000 – $210,000 |
| Upgraded fit-out (stone, A/C, upgraded appliances) | $210,000 – $250,000 |
| Premium finishes (full A/C, landscaping package) | $250,000 – $300,000 |
| Luxury detached with courtyard & deck | $300,000+ |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
Granny flats get underestimated. A lot of builders treat them as a kit-home product. We don't. Your Kensington block has a main dwelling, a driveway, service connections, trees, and neighbours — the secondary dwelling gets designed around those realities.
⏱The 60m² SEPP cap is not a suggestion. Every millimetre gets used — kitchen, bathroom, laundry, living, bedroom, storage — with the envelope tuned for Kensington's sun and prevailing breeze. Real rooms, not compromise spaces.
⏱CDC gets lodged through a private certifier the week design locks in. 10–15 business days later, slab starts. The trades sequence tight because the footprint is small — one plumber, one sparkie, one tiler, one programme.
⏱Handover gives you a genuinely rentable second home. Separate meter, independent hot water, standalone bathroom, full kitchen. Ready to lease on handover day, not a 'studio' that needs another $20K of finishing.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
Estimate Your Build Cost
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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
We Build Across Sydney
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 Kensington 2033. Randwick City Council regulations and local controls are covered on each page.