A home renovation becomes much easier to manage when you know what needs to happen first, what can happen at the same time, and which stages must wait for earlier work to finish. Without that sequence, one late material choice or last-minute design change can hold up several trades at once.
For a BTO renovation involving custom cabinetry, for example, cabinet fabrication typically takes three to four weeks and can run alongside electrical work and painting. Once the cabinets are ready, installation may take one to two days, followed by countertop fabrication, installation and final touch-ups.
The exact timeline will depend on your home and renovation scope, but planning each stage early gives you a much clearer idea of when your home will actually be ready.
How Long Does a Home Renovation Take in Singapore?
There is no single renovation timeline that applies to every home. A new BTO flat with relatively straightforward works can usually be completed faster than an older resale flat that requires hacking, rewiring or repairs.
As a general guide:
- New BTO or Condo Units: Around eight to twelve weeks of construction. These units come as bare shells, so there is less hacking involved, though more carpentry, cabinetry, and installation work is often needed to fit them out from scratch.
- Resale HDB Flats: Twelve to sixteen weeks on average. Older fixtures need dismantling, wiring often needs replacing, and hidden issues such as water seepage or uneven flooring only surface once demolition starts.
- Minor Works Only: Repainting or flooring replacement alone can be completed in two to four weeks, depending on scope and scheduling.
Whatever timeline you are given, leave some room for delays. Material lead times, approval requirements and unexpected site conditions can all affect the completion date.
What Are the Stages of a House Renovation?
Most home renovations follow a similar overall sequence, although some stages can overlap. The timing will also change depending on your property, the amount of custom work involved and whether existing finishes need to be removed.
Phase 1: Pre-Construction Planning (2 to 6 Weeks)
Before any work begins, get clear on what you actually want to renovate.
- Decide upfront what the renovation covers: which rooms are in scope, what gets replaced, and what stays put
- Work out a realistic budget that includes a 20 to 30% contingency for site surprises or material changes
- Get your contractor or manufacturer involved early. A confirmed work timeline and 2D and 3D drawings should be in hand before any orders are placed
- Once drawings are signed off, freeze the design. Changes to plumbing positions, electrical layouts, or material choices after this point push every phase behind it
Phase 2: HDB Approval and Permits (Before 3 Weeks)
- Not all renovation work can start without clearance. Hacking, wet area changes, electrical load adjustments, and anything touching structural or common property all need prior approval
- Get the application in during the planning stage so the permit is ready when the contractor is; waiting until later puts a hard stop at the start of physical works
- Skipping this step has real consequences. HDB can issue a reinstatement notice, which means undoing completed work at the homeowner’s cost
- Condo owners should check with their Management Corporation Strata Title (MCST) separately; working-hour restrictions and noise rules vary by development and are usually tighter than HDB’s
Phase 3: Demolition and Structural Work
If existing tiles, cabinets, fixtures or built-ins need to be removed, this usually happens near the beginning of the renovation.
- Existing tiles, fixtures, and built-ins come out first. Then, any damaged walls are opened up, and debris is cleared away before the next tradesperson begins their work
- What’s hidden behind the walls may not align with the floor plan. Common issues in resale flats include water damage, mould, and outdated wiring. It is more cost-effective to address these problems now than after new finishes are installed
- Any structural work, beam adjustments, new partitions, or load-bearing changes happen at this stage before electrical and plumbing rough-ins begin
- For resale properties, it’s important to allocate more time for this phase. A flat that appears clean and well-maintained might conceal conditions that require several additional days to address properly
Phase 4: Electrical and Plumbing Rough-Ins (3 to 5 days)
Electrical and plumbing positions need to be confirmed before walls, cabinets and other finishes make them harder to access.
This stage may include:
- Wiring and power points
- Lighting points and circuits
- Water supply and drainage points
- Kitchen appliance connections
- Bathroom fittings and plumbing
Phase 5: Walls, Flooring, and Tiling (2 to 4 Weeks)
Once the concealed electrical and plumbing work is in place, attention can move to the surfaces of the home.
- Plastering, partitions, and wet-area waterproofing come first. It’s crucial to invest properly in waterproofing at this renovation stage, as taking shortcuts can lead to costly issues later on
- Tile and grout selections need to be confirmed before this phase begins. Delaying these choices can hold up the whole timeline
- In areas where carpentry will be installed, only a base coat of paint goes on now. The final coat waits until after the joinery is in place to avoid scuffing
- Flooring in areas adjacent to carpentry is sometimes laid after carpentry is complete to avoid damage during installation. Confirm the sequence with your contractor at the planning stage
Phase 6: Carpentry and Cabinet Installation (3 to 6 Weeks)
This phase takes the most time: three to six weeks on average, covering kitchen cabinets, wardrobes, vanity units, feature wall joinery, and any other custom-built pieces.
- Base units and lower cabinets go in first. Countertop dimensions are templated on site after installation, and the tops themselves are cut and finished off-site before the final fitting visit
- Aluminium kitchen cabinets with laser-welded panel construction hold up better structurally than glue-bonded alternatives and do not release formaldehyde, which is a practical point in the enclosed layout of most HDB kitchens
- A home renovation contractor who fabricates and installs under one roof shortens the feedback loop. If something needs adjusting, the fix comes from the same team that made it
- Wall areas around completed joinery get their final paint coat and touch-ups before handover
Phase 7: Final Fixtures, Finishing, and Handover (2 to 3 Weeks)
The renovation is nearly finished at this point, but there are still plenty of small details to check.
- All hardware installation should be completed, including light fittings, switches, sockets, tap sets, bathroom fittings, mirrors, and cabinet handles. Appliances must be connected and run through a basic function check
- Where paint was deferred, the final coat goes on now. Countertop edges, sink perimeters, and tile joints are caulked and sealed
- Before signing off, walk through every room with the contractor. Any incomplete, misaligned, or below the agreed finish standard goes on a defect list, and that list needs to be cleared before the final payment is released
- A thorough clean is worth doing before furniture comes in. Renovation dust reaches every surface in the home and does not disappear on its own
What Commonly Delays a Renovation Timeline in Singapore
Renovation delays are not always caused by problems on site. Quite often, they begin much earlier with an unconfirmed decision or an item that was ordered too late.
Common causes include:
- Late Material Decisions: A contractor cannot tile, paint, or fabricate without confirmed selections. Every day a homeowner spends deciding on finishes is a day the site remains inactive
- Resale Property Surprises: Demolition exposes what floor plans do not show. Common problems in older flats, such as water damage, mould, and old wiring, and each one adds days to resolve before the next phase can start
- Contractor Availability Shifts: Demand spikes after BTO key collection rounds. A homeowner who delays finalising their brief may return to find their preferred contractor booked out by weeks
- Holiday Periods: Construction slows significantly around Chinese New Year and the year-end holiday window. A project that starts just before either period should factor in reduced output for those weeks
- Late Permit Submissions: The HDB approval process takes time regardless of when it is submitted. Leaving the application until after contractors are on board means the project cannot legally begin on the date planned
- Design Changes During Renovation: Moving electrical points, changing cabinet dimensions or selecting a different material halfway through the project can affect several trades at once.
Practical Steps to Keep Your Renovation on Schedule
A renovation timeline holds up when communication is tight, and decisions are not left to the last minute.
- Create a Shared Tracker: Run a shared tracker with your contractor covering every material, supplier, and expected delivery date. Any unresolved items on this visible document can be addressed promptly, while issues that arise on the day they are needed can lead to project delays
- Designate Decision Makers: Assign one decision-maker from both your team and the contractor’s team. Projects with multiple contacts on either end spend more time confirming instructions than acting on them
- Conduct Regular Check-Ins: Make it a point to show up at the end of each project phase. Don’t wait for the contractor to reach out. Identifying and resolving problems between phases is much easier than dealing with them once the next phase has commenced
- Include a Review Pause: Before starting Phase 6, schedule time to review the tiling, plastering, and waterproofing while surfaces are still exposed. Addressing the same issues after cabinetry is installed can be more costly and time-consuming
Planning a Renovation That Works From Day One
A well-sequenced renovation results from decisions made early, communicated clearly, and executed by people who know what they are doing.
With over 20 years of experience across HDB, BTO, condo, and landed properties in Singapore, A Star Furnishing covers design, fabrication, and installation under one roof. Their kitchen renovation services are built on a factory-direct model: faster communication, tighter quality control, and no middlemen between the homeowner and the work. Every project is backed by a 10-year warranty and lifetime maintenance.
If you are at the planning stage, book a no-obligation consultation with A Star Furnishing to map out the scope, sequence, and timeline for your home before any work begins.
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