How To Apply For An HDB Renovation Permit: Process & Timeline
Getting the keys to your new home is a major milestone, but the real work starts when you decide to make the space your own. Whether you are hacking a wall for that open-concept kitchen or simply retiling the balcony, navigating the paperwork can feel like a maze.
What is an HDB Renovation Permit, And Why Do You Need One?
A renovation permit is written approval from the Housing and Development Board allowing you to carry out specific works in your flat. These permits are mandatory for any changes that could affect the structural safety, fire safety, or the building's external uniformity. Carrying out unauthorised works is illegal and can result in fines of up to $5,000.
How to Apply for an HDB Renovation Permit: a Step-by-Step Guide
1. Engage an HDB-Registered Contractor
The first and most vital step is to hire a contractor listed in the Directory of Renovation Contractors (DRC). This is a mandatory legal requirement under the Housing & Development (Renovation Control) Rules. These contractors are trained to maintain the structural integrity of HDB blocks. Using an unauthorised contractor can lead to fines of up to $5,000 and legal prosecution.
2. Prepare the Necessary Documentation
Before the application can be submitted, you must gather specific documents for HDB’s technical assessment:
Scaled Floor Plans: You need two copies of your flat's floor plan (available for $5 via HDB e-Services). Your contractor must colour-code proposed changes: Red for demolition, Blue for new additions, and Yellow for simultaneous demolition and reconstruction in the same spot.
Acknowledgement Form: This form must be signed by all registered flat owners to confirm they agree with the proposed works.
Technical Specifications: Detailed drawings or professional endorsements (such as from a Professional Engineer for structural changes) may be required depending on the scope of work.
3. Electronic Submission via APEX
Homeowners cannot submit the application themselves; your contractor must file it electronically through the Application for Renovation Permit via Electronic Transaction (APEX) system on the HDB InfoWEB. The contractor will log in using their business account, upload their documents, and complete the project details. Once submitted, both you and the contractor will receive an SMS confirmation.
4. HDB Review and Approval
HDB will review the application to ensure it complies with safety standards and building codes.
Timeline: Approval typically takes 3 days to 3 weeks, depending on the project's complexity. Simple works are often approved quickly, while structural modifications requiring external agency consultations (like BCA or PUB) take longer.
Status Check: You can monitor progress by logging in to My HDBPage with your SingPass under the "My Flat" > "Purchased Flat" > "Renovation" section.
5. Display the Permit and Begin Work
Once approved, the renovation permit will specify the allowed scope of work and a validity period. You must prominently display a copy of the permit at your flat entrance throughout the renovation. Remember that all works must be completed within one month for resale flats or three months for new BTO flats from the date the permit is granted.
How Long to Apply for an HDB Renovation Permit in 2026?
When planning your move-in date, you might ask how long to apply for an HDB renovation permit/license before work can actually start.
You should aim to have your contractor submit the application as soon as your design is finalised, typically during the first few weeks of your planning phase. Because some complex works require consultations with external agencies like the BCA or PUB, applying early helps you avoid a stalled project.
Conclusion About Applying For An HDB Renovation Permit
Transforming your HDB flat is an exciting journey that requires both creativity and compliance. By ensuring you hire a licensed professional and submitting your plans early, you can stay on track for a smooth handover.
If you need expert guidance on making your interior vision a reality while staying perfectly within the lines of the law, let the team at Twothree take the lead on your next project.
Frequently Asked Questions
Can I Apply For An HDB Renovation Permit By Myself?
No, homeowners are not allowed to submit the permit application directly through the portal. You must engage a contractor listed in the Directory of Renovation Contractors who will use their business account to file the electronic application on your behalf.
How Long Does HDB Take to Approve Renovation?
A common question for eager homeowners is how long HDB takes to approve a renovation once the application is in. For straightforward upgrades like carpentry or simple flooring, approval can be quite fast, often between three and seven working days. However, for more complex structural changes or during peak periods such as the lead-up to Chinese New Year, the process can take two or three weeks.
What Documents Are Needed For The Permit Application?
The primary documents include your official HDB floor plan, a detailed list of the proposed works, and an acknowledgement form signed by all legal co-owners of the flat. For structural changes, a professional engineer (PE) endorsement may also be required.
How Much Does An HDB Renovation Permit Application Cost?
There is officially no cost or fee charged by HDB for the renovation permit or the application itself. However, your contractor may charge a service fee (typically $100 to $300) for the administrative work of preparing the technical drawings and handling the submission.
What Are The Allowed Renovation Hours In Singapore?
General renovation work is allowed from 9:00 am to 6:00 pm on weekdays and Saturdays. Noisy work, such as hacking and drilling, is restricted and must stop by 5:00 pm on weekdays only. No work is permitted on Sundays or public holidays.