Houses · Defects

House defect and warranty records in Thailand.

Report defects in writing and preserve the contract, evidence and repair history.

Answer first

Create a dated defect schedule, attach photographs and professional findings where needed, review the contract and warranty documents, and send notice through the required method before any deadline. Inspect and test completed repairs rather than accepting a verbal assurance.

01

Which defects should be documented?

  • structure and cracking;
  • roof and waterproofing;
  • electrical systems;
  • plumbing and drainage;
  • doors, windows and finishes.
02

Which records control the claim?

  • sale or construction contract;
  • drawings and specifications;
  • warranty schedule;
  • handover report;
  • prior notices and repairs.
03

How should repair completion be verified?

Inspect the work, repeat relevant tests, obtain receipts or reports, and record any remaining defect before signing a completion statement.

Related reading: the house purchase due-diligence guide, the property inspection checklist, and the roof and waterproofing checklist for water-related defects.

Continue through Owners, Residences and the directory.

Send written notice before deadlines pass.

Keep the complete defect and repair file together.

Find inspection support
FAQ

Frequently asked questions

Should defects be reported verbally?

Use written notice with photographs, location, date and requested action.

Does every defect have the same warranty period?

No. Review the contract, warranty documents, work type and applicable law.

Should repairs be inspected?

Yes. Record completion, testing and any remaining issue before signing acceptance.

Sources & References

Sources & References

Primary and official sources are cited above. Government rules, fees and procedures in Thailand change over time and vary by office; always confirm current requirements with the relevant authority before relying on them. BAANLYY never takes paid placement in editorial content.

Kirby Scofield
By Kirby Scofield
Founder of BAANLYY · International real estate broker, investor & relocation specialist
Last updated 15 July 2026 · Last reviewed 15 July 2026
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