A basement is a sunken structure with a maximum protrusion of 1.0m above the ground level on all sides. If the protrusion is more than 1.0m above the ground level regardless of the number of protruded sides, it shall be treated as a storey.
Basement Setback and Vertical Openings
The physical limit for which the basement may be built up to is shown in the table below.
Basement Setback
1 Road Reserve: The plot of land to be vested in the State as required under the Street Works Act. It is demarcated by the line of Road Reserve in the Road Line Plan and the site boundary.
Basements with vertical openings on the side walls may be allowed only if they are required for natural ventilation and to meet the building regulations. The guidelines are as follows:
Basement Horizontal Openings
Last updated on 5 July 2019