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Urban Redevelopment Authority (URA)

Ancillary Structures

Check the guidelines relating to ancillary structures for business parks.

Last updated 6 June 2026
Isometric diagram of a building complex with notes on buffer zones and regulations for ancillary structures.

Setback Requirements for Ancillary Structures

Ancillary structures are minor structures erected to support the main use of the site. The building setback distance and height control for ancillary structures are shown in the table below.

Ancillary structures located within the green buffer may be assessed in accordance with NPARKS' guidelines – see NParks website.

Ancillary structures located within the physical buffer and building setback that exceed the requirements in the table below, but are below 6m in height, shall be evaluated depending on the merits of the design and function.

Table 1: Setback and Height Control for Ancillary Structures

Type of Ancillary Structures

Required Setback from the Road

Required Setback from the Other Boundaries

Height Control

Electrical Substation

5m from Category 1 road

3m from Category 2 – 5 roads

2m

6m

Sunken Swimming Pool

Not applicable

Raised Swimming Pool

Follow road buffer standards

Water Tank & Pump

Meter Compartment

Subject to evaluation

1.8m if located within the green buffer

Bin Point

Guardhouse

2.6m if located within the green buffer

Generator Set

Subject to evaluation
Adequate setback may have to be provided to minimise glare and noise disturbance to adjoining developments