How much does a granny flat cost in Gold Coast?
Granny flat prices in Gold Coast run $106,000–$154,000 for a turnkey 1-bedroom build (35–45m²) and $134,000–$202,000 for a 2-bedroom (~60m²), with prefab/kit units from about $77,000 supplied. That’s roughly $2,200–$3,350/sqm for a turnkey build, depending on design, site and finishes.
Detailed Pricing — Gold Coast 2026
| Service | Low | Typical | High |
|---|---|---|---|
| Prefab / kit granny flat — 1-bed (supplied) | $77,000total | $91,000 | $115,000 |
| Studio / 1-bed granny flat (35-45m², turnkey) | $106,000total | $125,000 | $154,000 |
| 2-bed granny flat (~60m², turnkey) | $134,000total | $168,000 | $202,000 |
| Custom / premium 2-bed (high-end finishes) | $202,000total | $250,000 | $307,000 |
| Two-storey or with attached garage | $269,000total | $331,000 | $408,000 |
| Garage / outbuilding conversion | $38,000total | $72,000 | $115,000 |
| Turnkey build (per m² built) | $2,200/sqm | $2,700 | $3,350 |
| Site works + service connections | $14,000total | $24,000 | $38,000 |
| Council approval / building application | $3,000total | $6,000 | $12,000 |
| Demolition / site clearing (if needed) | $3,000total | $6,000 | $14,000 |
| Driveway, path & basic landscaping | $5,000total | $10,000 | $19,000 |
| Privacy fencing (per m) | $140/m | $210 | $290 |
Getting quotes for a granny flat in Gold Coast? Get a quote from a verified local builder — free, no obligation.
Get Gold Coast quotes →Prices include GST. Based on Gold Coast metro area, Mar 2026. Outer suburbs may vary.
Gold Coast’s Granny Flat Market in 2026
Gold Coast has one of Australia’s busiest granny flat markets. High property prices, multi-generational living, and strong rental demand make a secondary dwelling one of the higher-return additions a Gold Coast homeowner can make — a 2-bedroom granny flat rents well and can lift property value by 10–30%. With Queensland’s 2022 rule change allowing secondary dwellings to be rented to anyone, Gold Coast backyard builds have become a popular income and dual-living option.
The biggest swing in price is build method. Prefab and modular units (from about $77,000 supplied) are the budget end; standard site-built 1- and 2-bedroom homes ($106,000–$202,000 turnkey) are the mainstream; and custom or two-storey builds run $202,000–$408,000+. Site works and service connections ($14,000–$38,000) and approvals are the costs homeowners most often underestimate.
On the rules: In Queensland a secondary dwelling (granny flat) can be rented to anyone since 2022, with a 60m² baseline in most council schemes, though approval paths and size rules vary by council. Build method, finishes and site access drive the price, with services and approval on top.
We’ve compiled pricing from Gold Coast granny flat builders, prefab suppliers, and trade databases to give the most accurate picture of granny flat costs in Gold Coast for 2026.
How Granny Flat Costs Vary Across Gold Coast
Central & Beaches
Typical cost: $173k–$317k turnkey
Surfers Paradise, Broadbeach, Burleigh Heads, Palm Beach. High land values and salt-air sites. Quality detached builds with corrosion-resistant detailing; strong short and long-term rental demand.
Canal & Waterfront
Typical cost: $173k–$317k turnkey
Mermaid Waters, Clear Island Waters, Hope Island, Paradise Point. Premium waterfront blocks. Builds run to the top of the range to match the main home.
Northern Gold Coast
Typical cost: $144k–$269k turnkey
Southport, Labrador, Coomera, Pimpama. Fast-growing estates and established suburbs with good access. Standard and prefab builds are common.
Hinterland
Typical cost: $144k–$269k turnkey
Nerang, Mudgeeraba, Tallai, Worongary. Acreage and hillside blocks suit larger builds; bushfire-prone areas need BAL-rated construction.
Southern Gold Coast
Typical cost: $154k–$288k turnkey
Tugun, Currumbin, Coolangatta, Elanora. Beachside suburbs with strong rental demand. Detached 2-bed builds with coastal detailing are popular.
What You’ll Actually Pay — Common Gold Coast Granny Flat Builds
Here’s what typical granny flat projects cost all-in across Gold Coast in 2026, including build, standard site works, services, and approvals where noted.
1-bedroom granny flat — 40m², turnkey
$106,000–$144,000 total
The go-to Gold Coast build for one tenant or a family member. A detached one-bedroom home — bedroom, bathroom, kitchenette and living — with standard finishes, slab and connections. Allow roughly 12–14 weeks once approval is through.
2-bedroom granny flat — 60m², turnkey
$144,000–$202,000 total
The maximum size under most rules and the best rental return. Two bedrooms, full bathroom and a proper kitchen with room for real furniture. Standard-to-mid finishes, slab, services and approval included — allow 14–16 weeks once approved. The workhorse Gold Coast investment build.
Prefab / modular 2-bed — installed
$91,000–$154,000 total
Built off-site and lifted in, then hooked up to services on a prepared slab. Quicker and cheaper than a site build with far less mess — just remember slab, site works and connections are usually extra on top of the unit price.
Garage / outbuilding conversion to studio
$43,000–$91,000 total
Converting an existing garage or outbuilding is the cheapest route to a secondary dwelling, but plumbing, a bathroom and kitchenette, insulation, glazing and compliance upgrades drive the price. Best value where the existing slab and walls are sound.
Custom architect 2-bed / two-storey
$250,000–$408,000 total
A top-end, architect-designed build — premium finishes, a bigger footprint or a two-storey layout on a tight block. Design and engineering are required; you’ll see these most across the coastal and canal suburbs where land values justify the outlay.
What Affects Granny Flat Costs in Gold Coast
Build method
The cheapest path is a prefab/kit unit (from ~$77,000 supplied); a standard site build is the middle ground, and custom or two-storey designs sit at the top.
Size & bedrooms
A 1-bed (35–45m²) runs $106,000–$154,000 turnkey; a 2-bed (~60m²) $134,000–$202,000. 60m² is the cap in most states.
Site works & access
A flat, clear, easy-access block is cheapest; slope, rock, tight access and craneage can add $14,000–$38,000 in site works.
Service connections
Water, sewer, power and stormwater connections add cost — keeping wet areas near the main house’s services keeps plumbing runs short.
Approvals
In Queensland a secondary dwelling (granny flat) can be rented to anyone since 2022, with a 60m² baseline in most council schemes, though approval paths and size rules vary by council.
Finishes & inclusions
Standard finishes keep costs down; stone benchtops, premium flooring, decks and air-conditioning push a build toward the top of the range.
How to Save Money on a Granny Flat in Gold Coast
Frequently Asked Questions
Our Methodology
We build these estimates by pulling pricing from public cost guides, major trade marketplaces, industry body rate data, and builders’ own websites, then cross-checking the ranges and adjusting for local cost-of-living and advertised labour rates. The figures are editorially independent and no business pays to change them. Treat every number as a guide rather than a quote — the only way to know your real price is to get a few written quotes. Last reviewed June 2026. Read our full methodology →