Renovation Permit Checklist for Singapore Homeowners

Why Permits Matter Doing renovation work without the correct permits in Singapore can result in fines, forced reinstatement at your own cost, and complications when selling your flat. Knowing what needs a permit and what does not saves you time, money, and stress. Works That Require an HDB Permit For HDB flats, the following works require a permit from HDB before you can begin: - Hacking of walls (even partial) - Replacement of floor tiles in the kitchen, bathroom, or toilet - Replacement of the main entrance door or gate - Removal or installation of internal partitions - Installation of a window grille (must comply with HDB-approved designs) - Plumbing pipe relocation - Installation of any new wet area such as a yard or open kitchen sink Your renovation contractor must be on the HDB Directory of Renovation Contractors (DRC). Only DRC contractors can apply for HDB permits on your behalf. The permit application typically takes 3 to 5 working days and costs nothing for most works (your contractor handles the submission). Works That Do Not Need a Permit Some works are considered minor and do not require approval: - Painting walls and ceilings - Installing wallpaper - Replacing built-in furniture without changing structure - Installing curtains, blinds, or lighting fixtures - Replacing taps, showerheads, or toilet seats - Buying and placing freestanding furniture or appliances BCA Permits for Structural Work If your renovation involves any structural alterations, such as removing a hacked structural wall, additions and alterations works for landed property, or significant changes in condos, you will likely need a permit from the Building and Construction Authority (BCA). A licensed Professional Engineer must endorse structural changes. Costs for engineering certification typically range from $1,500 to $4,000 depending on scope. Common Mistakes to Avoid Do not let any contractor convince you that "small hacking" does not need a permit. HDB officers do conduct random inspections, and neighbors can also report unauthorized works. Do not change the location of your floor trap, soil pipe, or any main waste pipe without consulting HDB. Improper modification can affect neighbors below and lead to costly disputes. For condo owners, always check with your Management Corporation Strata Title (MCST) for additional rules on top of BCA requirements. MCSTs often have stricter timing, noise, and material restrictions. What to Do Before Starting Renovation 1. Confirm your contractor is HDB DRC registered 2. Ask for a copy of the approved HDB permit before any hacking begins 3. Inform your neighbors at least one week before noisy works 4. Take dated photos of your flat before works start, useful for any future disputes 5. Keep all permit documents, invoices, and warranties in one folder for at least 5 years A well-documented renovation makes selling, claiming warranty, or addressing complaints much easier later on.