Regulations and Approvals

Plain-English explainers on BCA, URA, SCDF and other Singapore building regulations, licences and approvals.

Timelapse camera view of the 118 Pioneer Road warehouse project, Weima Builders

CW01 A1, A2 and B1 Explained: What BCA Contractor Grades Mean

How BCA’s CRS grades work: current CW01 tendering limits, the capital, track record and staff behind A1, A2 and B1, and how grades relate to licences.

October 27, 2026

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Regulations and Approvals

CW01 A1, A2 and B1 Explained: What BCA Contractor Grades Mean

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