INNA Granny flats
in Sydney
Self-contained secondary dwellings for family, guests or rental income — designed, approved and built complete with kitchen, bathroom and its own connections.
A complete, self-contained dwelling
Designed, approved and built — ready to move in or rent.
A clear path, start to finish
Consult & design
We scope the job, measure up and hand you a clear, itemised quote and plan.
Approvals & prep
Any approvals, plus licensed plumbing and electrical rough-in, sorted before we build.
Build & install
Trades, joinery, tiling and fit-off handled by one coordinated crew.
Finish & handover
Detailing, a full clean and a walkthrough — handed over ready to use.
Built properly, by one team
Licensed & insured
A licensed NSW builder — your project is compliant, certified and covered.
Fixed, itemised quotes
No surprises. You get a clear scope and price before we start.
One crew, start to finish
The same team from day one to handover — no juggling subbies.
Built to last
Quality materials and proper methods, backed by workmanship you can rely on.
Recent granny flats
What NSW actually allows on your block
Granny flats in NSW are governed by the state's housing policy rather than by individual councils, which is what makes them achievable. A secondary dwelling can be up to 60 square metres of floor area, the lot generally needs to be at least 450 square metres, and it has to be on the same title as the main house — you cannot subdivide and sell it separately. Meet the standards and a private certifier can approve it as complying development, which usually takes a few weeks rather than the months a council application takes.
The things that most often stop a job are not the ones people expect. Setbacks, the amount of private open space left for the main house, easements running through the back yard, and large trees with protection orders all matter more than the design itself. Sewer location is the other one: if the main line runs where you want the slab, you are either moving the building or paying Sydney Water for a build-over approval. We check all of that before quoting, because finding it afterwards is how budgets fall apart.
A granny flat is a complete dwelling, which means a kitchen, a bathroom, a laundry, its own entry, its own hot water and usually its own metering. Done properly it should feel like a small home rather than a converted garage — ceiling height, natural light and a sensible layout make far more difference to what it rents for than the finishes do. We build them with the same crew and the same standards as the main-house work, including waterproofing to AS 3740 in the wet areas.
People build them for two reasons: family, or rental income. If it is family, think about ageing in place now rather than later — a level entry, a wider doorway and a hobless shower cost very little at build stage and a fortune to retrofit. If it is rental, the layout that rents best is usually two bedrooms with a proper separation between living and sleeping, not the largest possible open plan.
Granny Flats — questions, answered
Do I need council approval for a granny flat?
Many granny flats can go through the faster CDC pathway if the site qualifies; otherwise a DA is needed. We assess your site and handle the approval.
Can a granny flat be rented out?
In NSW a compliant secondary dwelling can generally be rented — we build to the standards that keep it compliant.
What's included in the build?
A complete, self-contained dwelling: kitchen, bathroom, living and bedroom spaces, plus its own plumbing and electrical connections.
Which areas do you cover?
All of Sydney, including the lower north shore, eastern suburbs and inner west.
How big can a granny flat be in NSW?
Up to 60 square metres of floor area under the state housing policy, on a lot of generally at least 450 square metres, and on the same title as the main house. Patios, decks and carports sit outside that 60 square metres within limits, so the usable space is often larger than people assume.
Do we need council approval?
Not always. If the design meets the complying development standards a private certifier can approve it, which usually takes weeks. If your block or design falls outside them, it goes to council as a development application and takes considerably longer.
Can we rent it out separately?
Yes, you can rent a secondary dwelling in NSW. What you cannot do is subdivide and sell it separately — it stays on the same title as the main house.
What usually stops a granny flat going ahead?
Setbacks, not enough private open space left for the main house, an easement or sewer line running through the build area, or a protected tree. We check all of those before quoting, because they are far cheaper to find on paper than on site.
Considering a granny flat?
Free, no-obligation quote — usually back to you within one business day.