A renovation agreement should define the exact scope, drawings, materials, price, payment milestones, approval responsibilities, change-order process, completion date, defect correction, warranties and site handover. Do not rely on a quotation or chat thread as the complete contract.
What should define the work?
- drawings and specifications;
- included and excluded work;
- materials and brands;
- site conditions;
- approval responsibilities.
How should payment be structured?
- contract price;
- milestones;
- retention;
- tax documents;
- final payment conditions.
How should changes be controlled?
- written change order;
- price and time effect;
- approval before work;
- updated drawings;
- record of decisions.
What quality protections matter?
- inspection rights;
- testing;
- defect list;
- warranties;
- manufacturer documents.
What should be delivered at completion?
- as-built records;
- keys and controls;
- manuals;
- receipts;
- signed completion record.
Where should you continue your research?
Sign the complete scope before work starts.
Require written milestones, changes and defect obligations.
Find renovation supportFrequently asked questions
Is a quotation enough for a renovation?
No. Use a written contract covering scope, drawings, price, changes, completion and defects.
Should payments be tied to milestones?
Yes. Define measurable milestones and evidence required before payment.
Should change orders be written?
Yes. Record the scope, price and time effect before changed work starts.
Sources & References
- Department of Public Works and Town & Country Planning
- Thai Industrial Standards Institute
- Office of the Consumer Protection Board
- Department of Business Development
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.
