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Urban Redevelopment Authority (URA)

Use Quantum

Check the guidelines relating to minimum unit size for business 1 (industrial).

Last updated 6 June 2026

At least 60% of the total B1 industrial GFA (ie minimum 60%) shall be used for industrial purpose1. The remaining 40% may be used for ancillary (or supporting) uses. Tables 1 and 2 below shows the applicable use quantum control for a single-user or multi-user industrial development.

1 This is also applicable to to B1-White sites.

Single User Development

Floorplan for single-user industrial development. Production area takes up most of space. Also includes ancillary office, lobby, and changing rooms.

Single-User Use Quantum

Table 1: Single User Development

Predominant

Ancillary

Minimum 60%

Maximum 40% 

Note: For single-user developments, strata subdivision is not allowed. Sub-leasing of space is allowed.

Single-user/owner developments (i.e. not strata subdivided) that sub-lease space to other tenants are subject to the same quantum controls as multi-user developments (see Table 2 below).

Multi-User Development

Layout of a multi-user industrial development with factory units, toilets, and lift lobby. Color coded to represent quantum of area.

Multi-User Development Overall Use Quantum

Layout plan for a multi-user industrial development, showing factory units, production area, office, and amenities. Color-coded by quantum percentage.

Use Quantum within each Strata Unit

Table 2: Multi-User Development

Predominant

Ancillary

 Entire Development

Minimum 60%

Maximum 40%

 Each Strata-subdivided Unit

Minimum 60%

Maximum 40%

 Up to 40% of the floor area of the development is for ancillary quantum at the development level, which comprises all common areas outside the units (such as common corridors, staircases, lifts, toilets, M&E spaces) and all secondary uses (see ‘Guidelines for Allowable Uses’).

Within each strata-subdivided industrial unit, at least 60% of the floor area shall be used for industrial uses. Ancillary uses (e.g. ancillary office, meeting rooms) shall not occupy more than 40% of the unit’s floor area.