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  6. RC Flat Roofs

Business Park

RC Flat Roofs

RC flat roofs shall remain inaccessible except for maintenance purposes only. Activating the rooftop for uses such as roof terraces and landscaped gardens may be allowed depending on the merits of the proposal. No structures shall be allowed unless otherwise approved by URA. Where allowed, structures shall comply with the following guidelines.

Communal pavilions are small-scale, ancillary landscaping features that function as sheltered, open-sided resting points. Access to communal pavilions shall be from common areas only. The pavilions shall be computed as GFA unless they meet the following criteria:

  • Maximum 50sqm1 or 50% of roof coverage, whichever is lower.
  • For developments which have reached the allowable storey height control, the pavilions shall remain open-sided when viewed externally. This is to ensure that the pavilions do not form an additional storey.
  • For developments which have not reached the allowable storey height or are not located within areas subject to storey height control, maximum 50% perimeter enclosure of the rooftop pavilions may be allowed.
  • Communal pavilions shall be integrated with lush greenery. The greenery on the rooftop shall be both enjoyable by the building users and visible from the surroundings.
  • Plants shall be incorporated on permanent and preferably sunken planting, planned with sufficient soil depth based on the types of plants proposed. Some space shall be set aside for the provision of communal facilities and furniture to enhance the rooftop.
  • A Landscape Plan and relevant sections for ground/rooftop spaces containing communal pavilions, showing the proposed landscaping scheme, pavilion dimensions, planting palette, soil depth, communal facilities, shall be submitted with the Development Application.

1 The area is defined as the area of pavilion measured up to the roof eaves line.

The installation of solar panels on RC flat roofs may be considered if they meet the following criteria:

  1. Solar panels are installed between 10 to 15 degrees relative to the horizontal plane to optimise the performance of solar panels and minimise glare to the buildings in the vicinity; and
  2. The installation of solar panels shall not result in the removal of any greenery approved under the Landscaping for Urban Spaces and High-Rises (LUSH) Programme.

Installation of solar panels and M&E equipment such as inverters for the solar panel system does not require planning permission except in locations and contexts described below.

  1. Areas subject to urban design guidelines and Conservation Areas2 shall require planning permission due to their impact on the roofscape.

    2 For Conservation Areas, installation of solar panels without any additional works are treated as localised works for the purpose of repair and maintenance and are considered Category 3 works for Conserved Buildings. Applications for such Category 3 works can be made by owners and contractors. Refer to the Conservation Guidelines here and information on submission procedure here.
  1. Elevated solar panels3 located in developments on the following land use zones shall require planning permission:
  • Residential (landed housing, flats and condominium housing developments)
  • Residential with Commercial at 1st Storey
  • Mixed Commercial & Residential
  • Commercial
  • Hotel
  • White
  • Residential / Institution
  • Commercial / Institution
  • Educational Institution
  • Place of Worship
  • Civic & Community Institution

3 A solar panel is deemed to be elevated if it is raised more than 1m from the roof level for landed housing developments or 1.8m from the roof level for other developments.

  1. Spaces under solar panels are enclosed or put to commercial use

    Planning permission shall be required if the spaces under elevated or non-elevated solar panels are enclosed or put to commercial uses such as Outdoor Refreshment Areas. In such instances, the spaces shall be computed as GFA.

Elevated solar panels that require planning permission may be assessed as an additional storey for storey height control purposes unless they comply with the guidelines below:

Guidelines for Elevated Solar Panels

Parameter Guidelines
Extent Within the 45-degree line from the springing line of the roof level
Height Maximum 5m above roof level

Solar panels for high rise buildings

Extent and Height of Elevated Solar Panels

Last updated on 5 July 2019

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