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Taxes · IRAS

Architects’ Tax Notifications for Demolition and Reconstruction

Architects and consultants should help clients report demolition and provide the completed building information needed for property tax assessment.

Source checked · 11 October 2026

At demolition

Advise the owner to notify IRAS within 15 days, or notify on the client’s behalf through myTax Mail. Requested records include vacancy and demolition dates, expected completion, BCA and URA approvals, plot ratio, any Land Betterment Charge liability order and a site plan. After demolition, land annual value is 5% of estimated freehold market value, taxed at 10%.

At completion

Provide the TOP or CSC, whichever is earlier, and indicate a direct CSC where relevant. Also supply the latest gross floor area, total construction cost including professional fees, and readable as-built floor plans. Individuals rebuilding for owner-occupation should separately assess eligibility for the landed-property tax remission.

Official source

A concise, independent Apex Gateway guide based on the official English source, not a reproduction of the complete document. Consult the original for full conditions, exceptions and subsequent updates.

Read the official source ↗
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