- If you’re renovating your HDB flat or replacing an old door, knowing the HDB door size is the first step. A door that’s too big or too small can cause fitting problems, installation delays, and unnecessary costs.
- In this guide, we’ll cover:
- Standard HDB door sizes for main, bedroom, and toilet doors
- Customised door options for unique needs
- Where to buy quality doors in Singapore
- Tips for a smooth installation
Why HDB Door Size Matters
Choosing the correct HDB door size is important for:
- Proper alignment and function
- Avoiding costly adjustments during installation
- Meeting HDB-approved design requirements
- Ensuring safety and accessibility
Verified Standard HDB Door Sizes & Thickness
1. Main Door (Entrance)
- Width & Height:
- Single-leaf: 3 ft × 7 ft → approximately 915 mm × 2135 mm
- Double-leaf (wider option): 4 ft × 7 ft → approximately 1220 mm × 2135 mm
- Thickness:
- Typically 40–45 mm for standard fire-rated main doors, sometimes varying from the door frame by 42 mm, indicating a slight variation across providers
2. Bedroom Door
- Width & Height:
- Standard: 3 ft × 7 ft → approximately 915 mm × 2135 mm
- Thickness:
- Commonly 35–36 mm (some variation noted, ± 1 mm tolerance)
3. Toilet/Bathroom Door
- Width & Height:
- Standard: 3 ft × 7 ft → approximately 915 mm × 2135 mm
- Thickness:
- Around 35 mm, often designed to be moisture-resistant; commonly installed as bifold or slide & swing doors
How to Measure Your HDB Door Size Accurately
Follow these steps for accurate measurement:
- Width: Measure across the door frame from left to right.
- Height: Measure from the top frame to the floor.
- Thickness: Measure the door edge to determine if it suits your preferred lockset or design.
Always measure in millimeters (mm) for precision.
Customised HDB Door Sizes
If your frame is non-standard due to renovation changes or you want a specific design, you can opt for customised doors.
Advantages of customised doors:
- Perfect fit for irregular frames
- More design flexibility (arch shapes, glass panels, pet doors)
- Choice of unique colours, laminates, or materials
- Ability to integrate special locks (e.g., digital locks, wifi locks, fingerprint locks)
Considerations before ordering:
- Custom sizes usually cost a little more
- Process time may take 2–4 weeks
- Always measure multiple times for accuracy
Where to Buy HDB Doors in Singapore
When shopping for HDB doors, look for trusted suppliers who understand HDB regulations.
Recommended places to buy:
- Specialist door suppliers – Offer both standard and customised sizes, with professional installation services
- Direct factory suppliers – Often more affordable with a wide selection
- Free installation & Free delivery
Need to know the HDB door size:
- Measure your current door openings accurately.
- Use the standard sizes as a guideline.
- Confirm whether your main door requires a fire-rated version and a permit.
- Choose appropriate materials and a locking set based on usage.
Conclusion
Understanding HDB door size before purchasing ensures a smooth renovation process and prevents costly mistakes. Whether you’re upgrading your main door for security, choosing a stylish bedroom door, or replacing a worn-out toilet door, accurate measurements are key.
https://www.godigitallock.com/contact-us/For expert advice and a wide range of HDB doors in Singapore, contact us today to find the perfect fit for your home.