Melbourne Councils Rewrite the Rules on Height and Density, and Developers Are Already Scrambling

Three Melbourne councils have moved within the past six weeks to tighten height controls and mandatory setback requirements across key residential corridors, triggering a scramble among developers holding approved permits that may no longer reflect what councils will tolerate when projects return for further approvals. The changes affect Stonnington, Boroondara and Glen Eira, three municipalities that together contain some of the most contested development land in Victoria.

The timing matters. Victoria's median house price is sitting at roughly $920,000, the state government's Housing Statement targets 800,000 new homes over a decade, and the gap between supply ambition and on-the-ground delivery has never felt wider. Planning Minister Sonya Kilkenny has been pushing local councils to zone more land for medium density, but several councils are now pushing back, selectively, and with enough legal nuance to keep planning lawyers busy through winter.

What the Amendments Actually Change

Glen Eira's amendment C212, gazetted on June 18, introduces mandatory five-storey height limits along key sections of Hawthorn Road in Caulfield North, replacing the discretionary eight-storey provisions that had been in place since 2021. Discretionary versus mandatory is not a minor distinction: once a limit is mandatory, the Victorian Civil and Administrative Tribunal cannot override it, regardless of design quality or neighbourhood support. Developers who had pencilled in six- or seven-storey schemes on sites between Balaclava Road and Bambra Road are now either redesigning or preparing submissions to the Planning Minister's office seeking intervention.

Stonnington's changes are narrower but arguably more consequential given land values. The council has applied new design guidelines to the Chapel Street Activity Centre that mandate deeper upper-level setbacks, at least 4.5 metres from the street boundary above level three, and require materials boards to be submitted at planning application stage rather than at building permit. That second requirement sounds procedural. Developers say it adds three to four months to a typical approvals timeline, effectively increasing holding costs on sites already trading above $4 million per hectare in Prahran and South Yarra.

Boroondara has taken a different approach, introducing what it calls a Neighbourhood Character Overlay review along sections of Burke Road and Camberwell Road. The review pauses certain permit applications for medium-density residential development while the overlay is being assessed, a process the council says will conclude by December 2026, though planning lawyers note similar reviews elsewhere in Melbourne have run well past their stated deadlines.

Investors and Owner-Occupiers Both Caught

The practical impact extends well beyond large developers. Small-lot owners who had been banking on a dual-occupancy or three-unit townhouse approval to fund retirement are now receiving different advice from their planning consultants than they received 18 months ago. In Glen Eira alone, the number of residential planning applications lodged in the 12 months to March 2026 fell 14 percent year-on-year, according to the council's own quarterly planning report, a drop council planners attribute partly to market conditions and partly to applicants waiting to see how the new controls bed down.

The state government has not been silent. The Department of Transport and Planning has written to both Glen Eira and Stonnington flagging that their amendments may conflict with the broader reform directions set out in Plan for Victoria, the strategic framework released in late 2024. Whether those letters lead to formal intervention or remain firmly in the correspondence file is the question development industry bodies, including the Urban Development Institute of Australia's Victorian chapter, are watching closely.

For anyone with skin in the game, a permit application in train, a site under contract subject to planning, or a townhouse development half-designed, the immediate advice from planning consultants is consistent: get pre-application meetings with council officers booked now, before the overlay reviews and amendment processes lock in final provisions. Sites within 400 metres of train stations on the Frankston and Glen Waverley lines still attract a more permissive state-government overlay under the Housing Statement, offering some protection from the local council changes. Everywhere else, the rules are shifting fast enough that what was approvable in January may not be approvable by Christmas.