A standard HDB BTO renovation in Singapore typically takes between 8 to 10 weeks to complete, starting from key collection and defect checking to the final handover. This timeline encompasses space planning, hacking, masonry, electrical rewiring, custom carpentry installation, and final painting, ensuring your new home is perfectly ready for move-in without unexpected delays.
Collecting the keys to your new Build-To-Order (BTO) flat is a major milestone, but it is just the beginning of your homeownership journey. The next critical step is the renovation phase. Without a clear schedule, renovations can easily drag on for months, disrupting your move-in plans and furniture delivery dates.
To help you plan smoothly, we have mapped out the ultimate step-by-step BTO renovation timeline for 2026. This guide breaks down exactly what happens during each week of the renovation process.
The Complete 8-10 Week BTO Schedule Summary
| Week | Renovation Phase | Key Milestones |
|---|---|---|
| Weeks 1-2 | Defect Checking & Permitting | HDB BSC defect rectification, permit approval. |
| Weeks 3-4 | Hacking & Masonry Works | Wall hacking, cement screed, tiling, waterproofing. |
| Week 5 | Plumbing, Aircon & Electrical (Phase 1) | Piping concealment, wiring, AC trunking. |
| Weeks 6-8 | Custom Carpentry & False Ceiling | Cabinetry installation, L-box, countertops. |
| Weeks 9-10 | Painting, Fixtures & Final Handover | Wall painting, light fittings, chemical wash. |
Phase 1: Defect Checking and HDB Permits (Weeks 1 to 2)
Before any renovation begins, you must inspect your new BTO flat for defects. Submit the defect list to the Building Service Centre (BSC) within 7 days of key collection. HDB contractors usually take about two weeks to rectify issues like hollow tiles, scratched windows, or uneven flooring. Concurrently, your direct contractor will submit the necessary hacking and renovation permits to HDB for approval.
Phase 2: Hacking and Masonry Works (Weeks 3 to 4)
Once HDB approves the permits, the noisy work begins. If you are creating an open-concept kitchen or expanding the living room, wall hacking occurs here. Following this, the masonry team will pour cement screed to level the floors and begin laying your choice of vinyl or porcelain tiles. Waterproofing for any modified bathroom areas is also completed during this critical wet works stage.
Phase 3: Electrical Rewiring, Plumbing, and Aircon (Week 5)
With the floors laid, it’s time for the internal infrastructure. Electricians will lay out the wiring for your smart home switches, lighting points, and power sockets. The air-conditioning trunking and water piping are also installed and concealed where possible. This phase is crucial because mistakes here are costly to fix once the walls are plastered and carpentry is up.
“A major mistake first-time BTO owners make is ordering furniture before confirming their electrical layout. Always finalize your power socket positions with your contractor during Week 5 to ensure your TV console and study desks align perfectly with the outlets.”
Phase 4: Custom Carpentry and False Ceilings (Weeks 6 to 8)
This is when your flat truly starts looking like a home. The plastering and false ceiling (L-box) installation happens first. Afterward, custom built-in wardrobes, kitchen cabinets, and feature walls arrive from the factory. At Nouvelle Workz, since we own our direct carpentry factory, we eliminate third-party delays, ensuring precise installation of premium E0 plywood cabinets and sintered stone countertops.
Phase 5: Painting, Fixtures, and Final Handover (Weeks 9 to 10)
The final stretch involves painting the walls and ceilings. Electricians and plumbers return to mount the actual light fixtures, ceiling fans, sinks, and toilet bowls. A thorough chemical and general wash is conducted to remove all construction dust and debris. Finally, the contractor will do a joint inspection with you to ensure every detail is flawless before the official key handover.
Planning Your BTO Renovation?
Explore our top-rated HDB & Residential Renovation Services in Singapore, or view our latest Project Portfolio.
Contact our expert team at Nouvelle Workz for a direct contractor quote and avoid ID markups.