Complete Guide to HDB Renovation Permits in Singapore

Understanding HDB Renovation Permits Renovating your HDB flat requires proper permits from the Housing & Development Board. This guide walks you through every step of the process. When Do You Need a Permit? A renovation permit is required for most structural and non-structural works in your HDB flat. This includes hacking of walls, changing floor tiles, installing new electrical points, and modifying plumbing. Application Process • Engage a licensed contractor – Only HDB-registered contractors can apply for permits on your behalf. • Submit application – Your contractor submits the renovation plan through HDB's e-services portal. • Wait for approval – Typically takes 3-5 working days for non-structural works. • Renovation period – Works must be completed within the approved timeline (usually 3 months). Renovation Hours HDB enforces strict renovation hours: • Weekdays: 9:00 AM – 6:00 PM • Saturdays: 9:00 AM – 1:00 PM • Sundays and Public Holidays: No renovation allowed Common Mistakes to Avoid • Starting work before the permit is approved • Hacking structural walls without engineering assessment • Exceeding approved renovation scope • Working outside permitted hours Cost of Permits Permit fees range from $0 for minor works to $200+ for major structural changes. Your contractor typically includes this in their quotation. Need help finding a licensed contractor? Use our matching tool to get connected with vetted professionals.