BTO Defect Checklist & Defect Liability Period Guide (2026): Step-By-Step on What to Do After Collecting Your Keys

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Frequently Asked Questions (FAQ)

What is a BTO defect checklist and why do I need it?

A BTO defect checklist is a step-by-step guide that helps homeowners identify and document defects in their new HDB flats before starting renovation.
It ensures issues like uneven tiles, cracks, leaks, and poor workmanship are recorded early, allowing HDB to fix them under the Defects Liability Period (DLP).‍

What is the Defects Liability Period (DLP)?

The Defects Liability Period (DLP) is a 12-month warranty period starting from the date of key collection.
During this time, HDB is responsible for repairing construction and workmanship defects at no cost to the homeowner.

How long do I have to report defects after collecting my keys?

You should submit your defect list to the Building Service Centre (BSC) within 30 days of key collection and before any renovation begins.
Reporting early helps HDB confirm that the issues existed before renovation and are covered under the DLP.

How long does HDB take to repair defects?

Most minor defects are fixed within two weeks, depending on the extent of the problem and HDB’s contractor availability.
If your renovation can’t be delayed, HDB may coordinate with you to rectify certain issues during or after renovation.

What tools do I need for a BTO defect inspection?

Essential tools: painter’s tape, torchlight, marble or coin, spirit level, bucket, and a camera or phone.
Optional tools: socket tester, contactless voltage detector, tapping rod, or thermal imaging scanner,  helpful for spotting hidden electrical faults or moisture problems.

Can I do a DIY defect inspection, or should I hire a professional?

Yes, you can perform a DIY BTO defect inspection using household tools and a structured checklist.
However, professional defect inspectors may identify hidden structural or waterproofing issues you could miss.
Third-party inspections are allowed, and many homeowners find them worthwhile for peace of mind.

What happens after I submit my defect report to HDB?

Once you file your report, the BSC will:

  1. Arrange a joint inspection with you to verify each item.

  2. Assign HDB contractors to carry out the repairs.

  3. Schedule a closing inspection once rectification is complete for your approval and sign-off.

What happens if I start renovation before reporting defects?

If you begin renovation before submitting your defect report, HDB may reject your claims because it’s difficult to prove whether the damage existed beforehand.
Always submit your report and attend the joint inspection before starting renovation.

Can I report defects more than once during the DLP?

Yes. You can submit multiple reports within the 12-month DLP period if new issues arise later.
Some homeowners even schedule a second inspection in the 10th or 11th month before the DLP ends to catch anything missed earlier.

Can I still report defects after the DLP ends?

Once the DLP expires, HDB is no longer responsible for repairs.
You’ll need to engage your own renovation contractor or minor repair specialist for any additional work.

What are the most common BTO defects?

Common defects include:

  • Hairline cracks on walls and ceilings

  • Hollow or uneven tiles

  • Leaky taps or loose plumbing joints

  • Misaligned doors or window frames

Can I reject poor-quality repair work?

Yes. During the DLP, HDB contractors must ensure rectifications meet proper standards.
If repairs are poorly done, request a re-inspection with the BSC and present photo evidence before signing off.

What types of defects are not covered under the DLP?

Cosmetic issues like paint colour preference, damage caused by renovation or occupant activity, and normal wear and tear after the DLP are not covered.
Only defects caused by poor workmanship, structural faults, or major installation failures are eligible for free rectification.
 

Do I need to be present during rectification?

Yes, it’s recommended. Being present allows you to confirm that repairs are completed properly before signing off with the BSC.

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