For years, the single most frustrating part of adding space to a Melbourne home had nothing to do with builders or budgets. It was the wait. The planning permit queue, the neighbour objections, the months lost before a single brick could be laid.
That equation changed in late 2025, and a lot of homeowners still have not caught up with what it means for them.
What Amendment VC282 Actually Did
Victoria’s planning framework for single dwellings was overhauled under Amendment VC282, which took effect in September 2025. The headline change is significant for anyone thinking about extending.
Lots of 300 square metres and above in a residential zone no longer require a planning permit for extensions and additions. A building permit is still needed, and that process is unchanged, but the planning permit step has been removed for most standard suburban blocks.
There is an important catch. This only applies where the property carries no overlay that triggers a permit. Heritage, Neighbourhood Character, vegetation, bushfire and design and development overlays can all still require a planning permit regardless of how big the block is.
A second change matters just as much in practice. The overlooking standard that governs upper-level windows was redefined to exclude bedrooms, so bedroom windows on a second storey can now be positioned for light and ventilation without the old privacy-screen and obscured-glazing constraints.
Why This Reshapes the Extension Conversation

For a homeowner on a typical suburban block with no overlays, the path from design to construction is now considerably faster and less risky. The spectre of a neighbour objection dragging the project to a tribunal hearing simply falls away in many cases.
Even where a permit is still required, VC282 introduced a deemed-to-comply pathway. A proposal that meets every standard leaves council with limited discretion, removes third-party review rights, and can qualify for a fast-tracked assessment measured in business days rather than months.
That said, the change rewards good design rather than replacing it. Removing the planning gate does not remove the need to meet the building code, hit the energy rating, and resolve the structural questions that come with cutting into an existing home.
This is where experienced quality house extension and renovation specialists matter more than ever, because a faster approval pathway only helps if the design is right and the documentation is tight enough for builders to price accurately.
Where the Old Rules Still Bite
The reform is genuinely good news, but it is not a blanket free pass, and assuming otherwise is how projects come unstuck.
Plenty of Melbourne’s most desirable streets sit inside heritage or neighbourhood character overlays, precisely because the homes and streetscapes are worth protecting. On those properties, the permit process and its design scrutiny remain firmly in place.
Smaller lots under the 300 square metre threshold also still need a planning permit, as do any proposals that cannot meet a standard and seek a variation. The first job on any extension, then, is to confirm exactly which controls apply to the specific address before a concept is even drawn.
The practical upshot is that the opportunity is real but uneven. For a large slice of Melbourne’s housing stock, extending up or out just became dramatically simpler. For the rest, the reward goes to careful design that works within the rules rather than fighting them.