Complete Mortgage Guide — Thailand

How Mortgages Work in Thailand

The Bank of Thailand’s policy rate influences the Minimum Lending Rate (MLR) and Minimum Retail Rate (MRR) — the two main benchmarks for Thai home loans. Thai mortgage rates are tiered — government-subsidised rates through GH Bank are significantly lower than commercial bank rates. The BoT also uses LTV limits as a macroprudential tool, adjusting caps based on market conditions

Use our mortgage calculator to see how different rates and terms affect your monthly repayments.

Types of Mortgages Available

Thai home loans are primarily variable rate, linked to MRR (Minimum Retail Rate) or MLR (Minimum Lending Rate). Promotional fixed-rate periods of 1-3 years are standard — after this, the loan reverts to a variable MRR-based rate. Full-term fixed rates are rare. GH Bank (Government Housing Bank) offers subsidised rates with lower initial fixed periods. Flat-rate loans (for lower-value properties and consumer finance companies) calculate interest on the original principal throughout — these are more expensive and should be avoided in favour of reducing-balance loans

Read our mortgage types comparison for a detailed side-by-side analysis of each product.

How Much Can You Borrow?

Banks assess the debt-to-income ratio, typically requiring total monthly debt payments not to exceed 40-50% of net income. Employment stability, contract type, and employer reputation influence approval. The National Credit Bureau (NCB) check is mandatory — any defaults or late payments in the past 3 years significantly impact approval. Thai banks are conservative with self-employed borrowers, often requiring higher deposits

The maximum loan-to-value in Thailand is BoT LTV limits: up to 90-100% for first-time buyers purchasing properties below ฿10 million (depending on programme). Second mortgage capped at 80% LTV. Third and subsequent properties at 70%. The BoT periodically adjusts these limits — recent relaxations have allowed higher LTV for first homes to stimulate the market. Loan terms extend up to Up to 30 years for Thai nationals, typically 10-15 years for foreign borrowers. Maximum borrower age at maturity is typically 65-70. Government Housing Bank may offer longer terms for qualifying buyers under special programmes.

The Application Process

Check GH Bank eligibility first for the best rates. For commercial banks, provide บัตรประชาชน (Thai national ID), ทะเบียนบ้าน (house registration), สลิปเงินเดือน 3 เดือน (3 months payslips), Statement ย้อนหลัง 6 เดือน (6 months bank statements), หนังสือรับรองการทำงาน (employment certificate), and property documents. The bank conducts a property appraisal. Approval takes 1-3 weeks. The loan contract is signed at the bank and mortgage registration happens at the Land Department

Costs and Fees

Mortgage registration fee of 1% of the mortgage amount (periodically reduced to 0.01% under government stimulus measures — check current rates). Fire insurance is mandatory. MRTA (Mortgage Reducing Term Assurance) life insurance is typically required. Processing fees of ฿1,000-5,000. Early repayment within the first 3-5 years typically incurs a penalty of 2-3% of the outstanding balance. After the lock-in period, prepayment is free

What Makes Thailand’s Mortgage Market Unique

Thailand’s Government Housing Bank offers genuinely subsidised rates for Thai nationals that significantly undercut commercial bank pricing — making it one of the most affordable mortgage sources in Southeast Asia for qualifying buyers. The government periodically introduces fee reduction programmes (reducing mortgage registration from 1% to 0.01% and transfer fees from 2% to 0.01%) to stimulate the property market — timing your purchase during these windows can save substantial amounts

Refinancing Your Mortgage

Refinancing (รีไฟแนนซ์) is common after the initial promotional fixed-rate period expires and the loan reverts to a higher variable rate. The early repayment penalty (2-3% within the lock-in period) disappears after 3-5 years, making refinancing attractive once the lock-in expires. Banks offer competitive rates to attract refinancing customers, often matching or beating the original promotional rate. Use online comparison tools to compare across lenders before committing

Read our refinancing guide for a step-by-step walkthrough.

Government Schemes and Support

GH Bank provides below-market rates for Thai nationals purchasing affordable housing. The government periodically announces fee reduction campaigns (ลดค่าธรรมเนียม) reducing transfer and mortgage registration fees to 0.01% for properties below certain values. First-time buyer programmes through GH Bank offer enhanced terms including lower deposits and reduced rates. The Social Security Office housing loan programme provides additional options for insured workers. Baan Eur-Arthorn provides affordable housing through the National Housing Authority

Check our government grants guide for the latest programmes and eligibility details.

Tips for Getting the Best Deal

Always check GH Bank first — their subsidised rates beat any commercial bank offer for qualifying properties and borrowers. Time your purchase during fee reduction campaigns if possible — the savings on transfer and mortgage registration fees can be substantial. Compare the full-term cost, not just the promotional rate — what matters is the MRR-based rate you revert to after 1-3 years. Plan to refinance when your promotional period expires — the reversion rate is typically much higher. Make prepayments after the lock-in period to take advantage of penalty-free early repayment

Next Steps

Use our mortgage calculator to model different scenarios, read our property buying guide for the full purchase process, or browse Thailand FAQs for quick answers.