Roof Eaves and Building Projections

Find out the GFA treatment for roof eaves and building projections

Last updated 6 June 2026

Roof Eaves located below the 6th Storey

For areas covered by roof eaves located below the 6^th storey, up to 2.0m of the area is excluded from GFA subject to the following requirements:

The roof eaves and sun shading devices shall be column-free and shall not be accessible except for maintenance purpose only;

The roof eaves and sun shading devices shall comply with the setback requirements from the common boundaries of the development;

Roof eaves and sun shading devices facing public roads may be allowed within the physical buffer and not within green buffer.

Section diagram showing roof eaves below 6th storey excluded from GFA up to 2m

Roof Eaves and Sun Shading Devices below 6th Storey

Section diagram showing GFA treatment for shadowed areas under projections

Sun Shading Devices and Building Projection below and above 6th Storey

Roof Eaves located at and above the 6th Storey

For area covered by the roof eaves located at the 6^th storey and above, the entire area is excluded from GFA subject to the following requirements:

The roof eaves and sun shading devices shall be column-free and shall not be accessible except for maintenance purpose only;

The roof eaves and sun shading devices shall comply with the setback requirements from the common boundaries of the development;

Roof eaves and sun shading devices facing public roads may be allowed within the physical buffer and not within green buffer.

Section diagram showing shadowed areas under building projections excluded from GFA

Roof Eaves above 6th Storey

Section diagram showing sun shading above 6th storey excluded from GFA

Sun Shading Devices above 6th Storey

Building Projections located below the 6th Storey

For areas covered by building projections (e.g. ledges, planter boxes, bay window, balconies and design features) located below the 6^th storey, up to 2.0m of the shadowed area is excluded from GFA subject to the following requirements:

The covered area must not fall within a walled-up enclosed space and balcony area;
The covered area must be column free and shall not be enclosed on the sides.

Section diagram showing eaves and projections below 6th storey excluded from GFA up to 2m

Building Projections below 6th Storey

Building Projection below and above 6th Storey

Building Projections located at and above the 6th Storey

For areas covered by building projections (e.g. ledges, planter boxes, bay window, balconies and design features) located at the 6^th storey and above, the entire shadowed area is excluded from GFA subject to the following requirements:

The covered area must not fall within a walled-up enclosed space and balcony area;
The covered area must be column free and shall not be enclosed on the sides.

Building Projections above 6th Storey

Section diagram showing shading and projections above 6th storey excluded from GFA

Building Projections above 6th Storey

Building Projection below and above 6th Storey

Elevated Linkways

Area shadowed by link bridges or elevated linkways (regardless of height) is excluded from GFA.

Elevation and plan showing shadow area below elevated linkway excluded from GFA

Area shadowed by Elevated Linkways

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