If you are planning to renovate your HDB flat, the permit question comes up early and tends to generate more anxiety than it deserves, or, worse, gets brushed aside until a contractor raises it at the wrong moment. The short version: some works need a permit from HDB, others do not, and knowing which category your plans fall into before you finalise a layout will save you from redesigning a room twice. This guide walks through what the permit actually covers, how to apply, and (critically) how the permit timeline should sit inside your broader renovation and furniture sequence.
Quick answer: You apply for an HDB renovation permit through the MyHDBPage portal, submitted by a registered renovation contractor (not the homeowner directly). Most structural and wet-trade works need one; cosmetic works generally do not. Allow up to five working days for processing, and do not start permit-required works before approval is received.
What the HDB Renovation Permit Actually Covers
The permit exists to protect the structural integrity of the building and the comfort of neighbours, two concerns that are very real in a shared concrete block. It is not, as some homeowners assume, a general licence to renovate. It is a specific checklist of works that HDB has determined carry structural or noise/safety risk if done without oversight.
The permit system is administered through HDB's MyHDBPage portal. Only a renovation contractor registered with HDB can submit the application on your behalf. This is the part many first-time renovators miss: you cannot apply as an individual homeowner. Your contractor must be on HDB's registered list, and it is worth verifying this before you sign any contract.
Once submitted, HDB typically processes applications within around five working days for standard works, though this can vary. Always check the current processing time on the official HDB website, because these figures do change.
Works That Always Require a Permit
The following categories almost always require approval. Check the current HDB guidelines for the definitive list, but these are the areas that consistently require a permit:
- Hacking of walls, any removal or alteration of internal walls, especially load-bearing ones. HDB distinguishes between partition walls (some latitude) and structural walls (no hacking allowed, full stop).
- Floor finishes, replacing floor tiles, screeding, or laying new flooring over existing tiles beyond a certain layer threshold.
- Bathroom and toilet works, waterproofing, relocation of sanitary fittings, changes to drainage within the flat.
- Electrical rewiring and additional power points, any work beyond simple fixture replacement.
- Gas works, any modification to existing gas lines.
- Demolition and construction of internal walls, including the creation of new openings.
The practical implication for layout planning: if your renovation involves hacking a wall to open up the living and dining area of a 4-room flat (typically around 90 sqm), you need the permit in hand before a single swing of the hammer. Your furniture layout for that open-plan space cannot be finalised until you know exactly how much of that wall is coming down, and permit conditions sometimes differ from what a contractor initially promises is possible.
Works That Generally Do Not Require a Permit
Not every renovation triggers paperwork. Works that typically do not need a permit include repainting walls, replacing light fixtures (no rewiring), installing curtain tracks, putting up shelves or feature walls with non-permanent fixings, and changing internal doors without altering the opening. Replacing a kitchen cabinet without touching plumbing or electrical is usually permit-free.
This is where the renovation scope decision has a direct knock-on effect on your furniture budget and timeline. If you are keeping the layout essentially intact and doing cosmetic works only, you can often start measuring for furniture much earlier. If you are hacking, your layout dimensions are genuinely uncertain until after structural works are complete and the dust has settled, literally.
The Application Process, Step by Step
Step 1: Confirm your contractor is HDB-registered
Before anything else, look up your contractor on the HDB Renovation Contractors Register on the official HDB website. A non-registered contractor cannot submit on your behalf, and any works carried out without the required permit are the flat owner's liability, not just the contractor's.
Step 2: Agree on the scope of works with your contractor
The permit application requires a clear description of the works to be done. Vague scopes lead to vague approvals. Be specific about which walls, which rooms, which trades. This is also the moment to check if any proposed works are outright prohibited, some structural elements in HDB blocks cannot be touched regardless of permit status.
Step 3: Contractor submits via MyHDBPage
Your contractor logs into the MyHDBPage portal and submits the renovation permit application. You will receive a notification, and you can track status through your own MyHDBPage account. Some homeowners are surprised to learn they do have a role here: you need to ensure the application accurately reflects the agreed scope, and any discrepancy between what was applied for and what is actually done on-site is a problem.
Step 4: Wait for approval before works begin
This is the step that causes the most schedule disruption, and it deserves a plain statement: do not allow permit-required works to begin before you have the approval in hand. HDB can and does conduct site inspections, including unannounced ones. If prohibited or unapproved works are found, the homeowner faces reinstatement requirements (restoring the flat to its original state at the owner's cost) and potential fines. More practically, unapproved structural changes discovered during a resale conveyancing process have caused transactions to stall or fall through.
Step 5: Post-approval, the permitted period
The renovation permit is valid for a specific period, and works must be completed within it. Renovation noise hours are governed by HDB and NEA guidelines; check the current official rules for exact timings, as these can change and vary by day type. Your contractor should know these, but you are responsible too.
Timelines and What Tends to Go Wrong
The five-working-day processing window is a guideline, not a guarantee. Applications requiring additional review (involving structural assessments, PE-endorsed drawings, or works in older blocks with different structural systems) can take longer. If your renovation is on a tight timeline (say, a lease handover or a furniture delivery window already booked), build at least two extra weeks around the permit step.
The most common point of failure is not the application itself but the information going into it. Missing details, inconsistencies between the declared scope and the actual contractor quotation, or a contractor who submitted a slightly different scope to save time, these create back-and-forth with HDB that eats into your schedule more than the application itself would have.
Why the Permit Sequence Should Come Before Furniture Decisions
Here is where the permit conversation connects directly to how you furnish the home. Many homeowners browse furniture at the same time as they engage contractors, which is sensible for budgeting. The mistake is placing furniture orders (especially large, made-to-measure or long-lead pieces) before the post-renovation floor plan is confirmed.
A 3-seater sofa typically runs 190 to 230 cm wide. If a wall hack opens up more space than expected (or less, if HDB conditions the permit on a smaller opening), a sofa you ordered based on a provisional layout might not fit, or might leave awkward clearance. The standard walkway clearance of 70 to 90 cm becomes genuinely relevant once walls move.
The practical sequence: get permit approved, complete structural and wet works, finalise floor plan with actual measurements, then order large furniture. Lighting, cushions, art, those can happen in parallel. Living room furniture and bedroom furniture in particular benefit from being selected against a confirmed layout, not a wishful one.
For dining areas, the arithmetic is straightforward: a 6-seat dining table needs roughly 150 to 180 cm in length, and you need about 90 to 100 cm behind each chair for people to pull out and circulate. If a wall hack was planned to create an open dining zone, your table size decision depends on whether that hack was approved as submitted. Browse dining and outdoor furniture with your confirmed room dimensions, not the ones on the original floor plan.
Frequently Asked Questions
Can I apply for the HDB renovation permit myself without a contractor?
No. Only an HDB-registered renovation contractor can submit a permit application on your behalf. You can track the application status through your MyHDBPage account, but the submission must come from your registered contractor. If a contractor offers to start permit-required works before applying, treat that as a red flag.
What happens if renovation works are done without the required permit?
HDB can require reinstatement, meaning the works must be reversed and the flat restored to its original condition, at the homeowner's expense. There are also financial penalties. Critically, undeclared structural changes can surface during resale and complicate or delay the transaction. The permit is not optional for the categories that require it.
How long does an HDB renovation permit take to process?
Standard applications typically take around five working days, but works involving structural assessments or PE-endorsed drawings can take longer. Always verify the current processing time on the official HDB website, and build buffer time into your renovation schedule rather than assuming the best case.
Do I need a new permit if I change the scope of works mid-renovation?
Yes, if the change involves works that require a permit and were not covered in the original application. Your contractor needs to submit an amendment or a new application before those additional works begin. Starting unapproved scope mid-project is treated the same as having no permit at all for those specific works.
Is there a list of works that are permanently prohibited in HDB flats, regardless of permit?
Yes. Certain structural elements (primary load-bearing walls, columns, beams) cannot be modified even with a permit. HDB publishes a list of prohibited works; your contractor should know these, and you can verify on the HDB website. If a contractor tells you a load-bearing wall can be hacked, get a second opinion before proceeding.
Getting the Renovation Right, Then Furnishing It Well
The HDB renovation permit process is genuinely straightforward once you understand what triggers it and who is responsible for what. The real risk is not the paperwork, it is the assumption that once a contractor is engaged and a rough scope is agreed, everything else can happen in parallel. Structural and permit-required works need to be approved and completed before your floor plan is fixed, and your floor plan needs to be fixed before you commit to large furniture pieces.
Once the dust has cleared and you have confirmed dimensions in hand, that is the right moment to start furnishing with confidence. The full home furniture range is available online and across two showrooms (the flagship at 134 Joo Seng Road and the Tampines North location) where you can see full-size pieces in context before committing. If you prefer to get a feel for scale before finalising your layout, a showroom visit during the permit waiting period is a genuinely useful way to spend that time.
For anything project-scale, the team is reachable at projects@megafurniture.sg.
Megafurniture has brought a growing share of its furniture range in-house, designing and making more of it in two owned factories in Batu Pahat, Malaysia and Foshan, China. Each piece is quality-checked before delivery and assembled in Singapore, so from the point it leaves the factory to the point it sits in your newly renovated home, there is one team accountable for the whole journey.