Transformer Homes

03/08/2026

𝗖𝗼𝗺𝗺𝗼𝗻 𝘁𝗿𝗶𝗴𝗴𝗲𝗿𝘀 𝘁𝗵𝗮𝘁 𝘀𝘁𝗶𝗹𝗹 𝗿𝗲𝗾𝘂𝗶𝗿𝗲 𝗰𝗼𝘂𝗻𝗰𝗶𝗹 𝗮𝗽𝗽𝗿𝗼𝘃𝗮𝗹

Even if you've ticked every box on the exemption checklist, certain circumstances flip your project back into full 𝗽𝗹𝗮𝗻𝗻𝗶𝗻𝗴 𝗽𝗲𝗿𝗺𝗶𝘁 𝘁𝗲𝗿𝗿𝗶𝘁𝗼𝗿𝘆. Knowing these triggers before you start digging saves you from a stop-work order halfway through the build.

When size and access change the outcome
Granny flats that creep past the 60 square metre cap, even by a metre, lose exemption status immediately, and so do those built with a separate driveway or crossover that suggests future subdivision. Corner blocks and battle-axe lots attract extra scrutiny too, since council planners read a second 𝘀𝘁𝗿𝗲𝗲𝘁 𝗳𝗿𝗼𝗻𝘁𝗮𝗴𝗲 as evidence you're setting up two saleable titles rather than one family compound. If your design includes its own letterbox, meter, or number plate, expect a planning officer to ask why.

The moment your granny flat looks like it could be sold separately, the exemption disappears.

Site conditions councils always flag
Beyond size, a handful of site-specific factors override any exemption, no matter how modest the build. These include:

𝗕𝘂𝘀𝗵𝗳𝗶𝗿𝗲 𝗺𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗼𝘃𝗲𝗿𝗹𝗮𝘆, triggering bushfire attack level assessment

𝗘𝗮𝘀𝗲𝗺𝗲𝗻𝘁𝘀 𝗼𝗿 𝗰𝗼𝘃𝗲𝗻𝗮𝗻𝘁𝘀 crossing the proposed footprint

𝗧𝗿𝗲𝗲 𝗿𝗲𝗺𝗼𝘃𝗮𝗹, particularly significant or protected species

𝗧𝗵𝗶𝗿𝗱 𝗱𝘄𝗲𝗹𝗹𝗶𝗻𝗴 𝗼𝗻 𝘁𝗵𝗲 𝗹𝗼𝘁, exceeding the two-dwelling exemption limit

𝗦𝗲𝗽𝘁𝗶𝗰 𝗼𝗿 𝘄𝗮𝘀𝘁𝗲𝘄𝗮𝘁𝗲𝗿 𝗰𝗵𝗮𝗻𝗴𝗲𝘀, where mains sewer isn't available

Running your address past council's duty planner before finalising drawings catches these issues early. It's a free phone call that beats a redesign after your builder has already ordered materials.

02/08/2026

The role of a registered building surveyorYour surveyor checks footings, framing, energy efficiency ratings, plumbing, and drainage against Victorian building regulations, then issues the permit before construction and mandatory inspections during it. They're also the one who certifies the finished structure with an Occupancy Permit or Certificate of Final Inspection, the document you'll need if you ever sell or refinance.

What inspections and compliance checks cover
Expect staged inspections at these points, each requiring sign-off before you move forward:

𝗙𝗼𝗼𝘁𝗶𝗻𝗴𝘀 𝗮𝗻𝗱 𝘀𝗹𝗮𝗯, confirming reinforcement and drainage before pouring

𝗙𝗿𝗮𝗺𝗲 𝘀𝘁𝗮𝗴𝗲, checking structural bracing and tie-downs

𝗪𝗮𝘁𝗲𝗿𝗽𝗿𝗼𝗼𝗳𝗶𝗻𝗴, particularly around any bathroom or kitchenette

𝗙𝗶𝗻𝗮𝗹 𝗶𝗻𝘀𝗽𝗲𝗰𝘁𝗶𝗼𝗻, covering fire safety, egress, and energy compliance

Most surveyors charge between $1,500 and $3,000 for a granny flat permit, depending on complexity. Skipping stages to save time almost always costs more later, since retrofitting compliance after the fact means opening up finished walls.

01/08/2026

𝗛𝗼𝘄 𝘁𝗼 𝗰𝗵𝗲𝗰𝗸 𝗶𝗳 𝘆𝗼𝘂 𝗻𝗲𝗲𝗱 𝗮 𝗽𝗹𝗮𝗻𝗻𝗶𝗻𝗴 𝗽𝗲𝗿𝗺𝗶𝘁

Finding out whether your build qualifies for the 𝗽𝗹𝗮𝗻𝗻𝗶𝗻𝗴 𝗽𝗲𝗿𝗺𝗶𝘁 𝗲𝘅𝗲𝗺𝗽𝘁𝗶𝗼𝗻 starts with Victoria's Planning and Environment Act, specifically Clause 52.03 of the planning scheme, which sets out the dependent person's unit and small second dwelling exemptions. Councils apply these clauses consistently, but the details of your block, its zoning, and its overlays still decide the outcome.

Check your zoning and overlays first
Every property in Melbourne's north and west sits within a zone, usually General Residential or Neighbourhood Residential, and that zone carries its own rules about dwelling density and setbacks. You can search your address on VicPlan, the state government's mapping tool, to see your zone and any overlays such as heritage, vegetation protection, or flood-prone designations. Overlays almost always cancel the exemption pathway, regardless of how small your granny flat is.

If an overlay applies to your land, assume you need a planning permit until council confirms otherwise.

Confirm the size and use conditions
Exemptions generally require the second dwelling to stay under 60 square metres, sit behind the existing house, and remain unable to be subdivided or sold separately. Here's what typically disqualifies you:

𝗙𝗹𝗼𝗼𝗿 𝗮𝗿𝗲𝗮 exceeding the council's exemption cap

𝗦𝘂𝗯𝗱𝗶𝘃𝗶𝘀𝗶𝗼𝗻 𝗽𝗼𝘁𝗲𝗻𝘁𝗶𝗮𝗹, where the flat could later become a separate lot

𝗦𝗲𝗰𝗼𝗻𝗱 𝗱𝘄𝗲𝗹𝗹𝗶𝗻𝗴 𝗰𝗼𝘂𝗻𝘁 already at the maximum for your zone

𝗢𝘃𝗲𝗿𝗹𝗮𝘆 𝗿𝗲𝘀𝘁𝗿𝗶𝗰𝘁𝗶𝗼𝗻𝘀 like heritage or bushfire management

Ringing your local council's planning department before you commission drawings saves you redesign costs later. Preston, Northcote, and Thornbury sites often carry heritage overlays that surprise owners who assumed their block was exemption-eligible.

𝗪𝗵𝗮𝘁 𝗮 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗽𝗲𝗿𝗺𝗶𝘁 𝗶𝗻𝘃𝗼𝗹𝘃𝗲𝘀 𝗳𝗼𝗿 𝗮 𝘀𝗺𝗮𝗹𝗹 𝘀𝗲𝗰𝗼𝗻𝗱 𝗱𝘄𝗲𝗹𝗹𝗶𝗻𝗴

Unlike planning permits, a 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗽𝗲𝗿𝗺𝗶𝘁 applies to almost every granny flat, exempt or not, because it checks structural safety rather than land use. You lodge this application with a registered building surveyor, either private or through council, and they assess your plans against the National Construction Code before any work starts. Skipping this step is illegal regardless of your flat's size, and it's the approval most owners underestimate.

31/07/2026

Skipping the permit conversation feels tempting when you just want to get building. But 𝗴𝗲𝘁𝘁𝗶𝗻𝗴 𝘁𝗵𝗲 𝗽𝗲𝗿𝗺𝗶𝘁 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻 𝘄𝗿𝗼𝗻𝗴 can cost you far more than the delay of sorting it out properly first. Councils across Melbourne's north and west, including Darebin, Whittlehesea, and Hume, have the power to issue a stop-work notice on any structure built without the right approvals, even after the slab is poured and the frame is up.

A granny flat built without the right permit isn't a finished project, it's a liability waiting for council to notice.

Insurance is where this bites hardest. Most builders' warranty insurance and home and contents policies exclude cover for 𝘂𝗻𝗽𝗲𝗿𝗺𝗶𝘁𝘁𝗲𝗱 𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲𝘀. If a fire, storm, or structural failure damages an unapproved granny flat, you could be left covering the full cost yourself. The same goes for public liability if a tenant or visitor is injured inside a dwelling that never received building permit sign-off.

Selling the property later raises another problem. Conveyancers and buyers' solicitors routinely check council records during due diligence. An 𝘂𝗻𝗮𝗽𝗽𝗿𝗼𝘃𝗲𝗱 𝘀𝗲𝗰𝗼𝗻𝗱 𝗱𝘄𝗲𝗹𝗹𝗶𝗻𝗴 shows up as a red flag, and many buyers will either walk away or demand a price reduction to cover the cost of retrospective approval, which is rarely cheap and sometimes impossible if the structure doesn't meet current setback or height rules.

Renting the granny flat out adds a further layer of risk. Consumer Affairs Victoria requires rental properties to meet minimum standards, and an unpermitted dwelling can void your ability to lease it legally at all. You lose the rental income you built the flat for in the first place, which defeats the entire purpose of the project.

There's also a practical, everyday reason permits matter: neighbours. Setback and overlooking rules exist to protect sightlines and privacy between properties. A granny flat that ignores those rules can trigger a formal neighbour objection, which drags your project into VCAT territory, adding months and thousands of dollars in legal costs.

None of this means every granny flat needs a full planning permit. Plenty of small, compliant builds proceed under the exemption pathway without one. What it does mean is that you need to know which category your project falls into before the first shovel goes into the ground, not after. The next section walks through exactly how to check.

30/07/2026

If you're planning a granny flat in your backyard, you've probably heard mixed answers about permits. Some say you can build without council approval if the flat is small enough. Others insist you need full planning and building permits regardless of size. So 𝗱𝗼 𝘆𝗼𝘂 𝗻𝗲𝗲𝗱 𝗮 𝗽𝗲𝗿𝗺𝗶𝘁 𝗳𝗼𝗿 𝗮 𝗴𝗿𝗮𝗻𝗻𝘆 𝗳𝗹𝗮𝘁 in Victoria? The honest answer is: it depends on your zoning, your lot size, and what the flat is used for.

In Victoria, small second dwellings can sometimes go ahead under a 𝗽𝗹𝗮𝗻𝗻𝗶𝗻𝗴 𝗽𝗲𝗿𝗺𝗶𝘁 𝗲𝘅𝗲𝗺𝗽𝘁𝗶𝗼𝗻, but that exemption comes with strict conditions around size, height, and setbacks. Miss one of those conditions and you're back to needing full council sign-off. A 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗽𝗲𝗿𝗺𝗶𝘁 is almost always required regardless, since that covers structural safety rather than land use.

We've guided homeowners across Northcote, Preston, and Thornbury through exactly this process, and the confusion is common. This article breaks down when you can skip a planning permit, when you can't, what building permits always apply, and how local council rules in Melbourne's northern and western suburbs affect your project.

29/07/2026

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