
Small Second Dwellings in Victoria: The 60 m² Rule, the Front-Wall Setback, the Access Path and Report and Consent (2026 Guide)
In Victoria a small second dwelling is a self-contained Class 1a unit of 60 m² or less on the allotment of an existing house (Building Regulations 2018 r 5), while the planning scheme defines it up to 80 m². This guide covers when a planning permit is needed, the three siting rules written for the unit (r 74A, r 86A, r 86B), how the council's report and consent works, and the appeal to the Building Appeals Board, with a checker.
