The short answer

If a transfer hasn't arrived, first check the calendar — weekends and bank holidays in either country add days. If it's more than two business days late, contact the bank or provider that sent it (not the receiving bank) and ask for a trace, quoting the payment's reference and, for SWIFT payments, its UETR. Ask the receiving bank in Thailand at the same time whether the money is held pending information — a name check, the purpose of the payment or supporting documents.

Most delays are solved within a few days of asking. If they aren't, make a formal complaint to the sending bank, and you can take it to the Financial Ombudsman if you're not satisfied with the answer.

How long transfers to Thailand normally take

Typical times for money from the UK to a Thai bank account. Count business days in both countries.

Bangkok Bank London branch page; SCB SWIFT inward page; Wise reports 77% of GBP to THB transfers arrive in under 20 seconds and 95% within a day. Swift reported in 2020 that 40% of gpi payments were credited within 30 minutes and 92% within 24 hours.

Why transfers get stuck: the eight usual reasons

Almost every delayed payment to or from Thailand comes down to one of these:

Thai bank holidays for the rest of 2026

On these days Thai banks don't credit incoming international transfers. Add a business day either side when timing an important payment.

Bangkok Bank, Bank Holidays 2026. UK bank holidays also apply to the sending side — Christmas Day, Boxing Day (28 December in 2026, as 26 December is a Saturday) and New Year's Day. Branches in the far south also close for Eid and Chinese New Year.

How to trace a delayed transfer, step by step

1. Wait two business days after the expected arrival, counting holidays in both countries. Most "late" payments turn up in this window.
2. Check the payment in your app. Is it marked sent, pending, returned or cancelled? Did the money leave your account? Has the amount changed?
3. Collect the details: the date, amount and currency, the recipient's name, account number and bank, the SWIFT code, your payment reference and the confirmation screen.
4. Ask the sending bank for a trace. For a SWIFT payment, ask for the UETR (unique end-to-end transaction reference) and the status in Swift's tracker — it shows which bank holds the money now.
5. Contact the receiving bank in Thailand. The account holder can ask at the branch or through the app whether an incoming transfer is held, and what's needed to release it. Give them the amount, date, sender and UETR.
6. Send what's asked for, quickly. A purpose, a contract, a passport copy, a letter — the money is usually released the same or next business day.
7. Get it in writing. Note who you spoke to, when, and any reference numbers. You'll need them if you have to complain.

Who to contact — and what to ask

Only the sender can usually instruct the sending bank, and only the account holder can deal with the receiving bank, so if you're sending money to someone else in Thailand — a landlord, a school, a relative — ask them to check with their bank at the same time. If you're paying a business, its finance team often finds a held payment faster than anyone.

Charges for traces vary. Krungsri, for example, lists ฿500 (about £11.27) for a follow-up, correction or investigation of an incoming transfer. Ask before you request one, and ask whether it's waived if the bank made the mistake.

If you sent it with the wrong details

If you notice a mistake straight away, call your bank immediately — a payment that hasn't been processed can sometimes be stopped. Once it has gone, the options are:

• Amend the payment. The sending bank sends a correction message through SWIFT. Banks charge for this — Krungsri lists ฿500 to amend or cancel an outgoing transfer.
• Recall it. The sending bank asks for the money back. It depends on the receiving bank's cooperation and can take weeks.
• Wait for it to bounce. If the account doesn't exist, the money is usually returned — minus fees, and converted back at a new rate.
• If it reached the wrong person, the receiving bank will normally need that person's consent to return it, so act quickly and keep everything in writing.

Ways to send money you can easily track

The best cure for a delayed transfer is one you can see at every step. These are the routes British expats find easiest to follow.

If a Wise or other provider transfer is delayed

Transfers through specialist providers usually arrive fast, so a delay normally means the provider is waiting for something. Check the transfer in the app first — it usually says exactly what's happening.

• "Waiting for your money" — the provider hasn't received your payment from your UK bank yet. Check it left your account, with the right reference.
• Verification — the provider may ask for ID, proof of address or the source of the funds, particularly for a first or large transfer.
• Thai bank limits — some Thai banks accept smaller amounts from providers than others, so a large payment may need splitting.
• Bank holidays — if the money is paid out through the Thai banking system, it waits for Thai banks to open.
• Thai-registered accounts — Wise accounts registered to a Thai address are moving to Wise's Thai entity during 2026, with daily limits on sending, so check your limits before a large payment.

Use the provider's in-app help rather than email if a transfer is stuck: the support team can see the transfer and tell you what's needed.

When the money has a deadline

A delay matters most when there's a date attached: a visa extension, a condo transfer at the Land Office, a school term or a rent day. A little planning removes most of the risk.

If a payment is going to be late, tell the person you're paying straight away and send them the proof of payment and the UETR. Most landlords, schools and developers are understanding when they can see the money is on its way.

Our guides to Thai bank accounts for retirees and property buyers explain the timings for visa deposits and condo purchases.

If money you sent from Thailand hasn't arrived

The same principles apply in reverse. Outward transfers from Thai bank apps are usually processed only during business hours — Bangkok Bank's mobile international transfers, for example, run from 08:30 to 17:00 on business days — so a payment made in the evening or at a weekend starts the next business day.

• Check the purpose you selected. Thai banks may hold a transfer if the purpose doesn't fit, and ask for more information.
• Ask your Thai bank for the SWIFT details — the UETR, the date sent and the intermediary bank.
• Ask the UK recipient's bank whether the payment has arrived and is being checked. UK banks also screen incoming international payments.
• Check the IBAN or sort code and account number — UK payments sent with the wrong format are often returned.

Our guide to Thai bank transfer fees explains the costs of sending money out of Thailand and the charging options.

Making a complaint

If the bank or provider that sent your money isn't resolving it, or made a mistake, make a formal complaint. For UK firms, the process is set out in the rules:

1. Complain to the sending firm in writing, using its complaints process. Say what happened, what you've done, what it has cost you and what you want.
2. Expect an answer within 15 business days for complaints about payment services — up to 35 business days in exceptional cases, and the firm must tell you if it needs longer.
3. Go to the Financial Ombudsman Service if you're not happy with the final response. You normally have six months from the final response to refer it.
4. For a Thai bank, complain to the bank first. If it isn't resolved, the Bank of Thailand has a financial consumer protection service you can contact.

Keep a timeline of every call and message. If a bank's mistake cost you money — a late-payment fee, a lost deposit, extra exchange-rate losses — say so and include the evidence.

Ten habits that prevent delays

• Copy the account name exactly as it appears on the Thai passbook or app.
• Check the SWIFT code and account number against an official document, not a message.
• Send a small test payment first to a new recipient or a new route.
• Add a clear reference and purpose, such as "rent October" or "retirement living expenses".
• Avoid bank holidays in both countries, and send in the morning UK time.
• Allow extra time for anything with a deadline — at least a week for a bank SWIFT transfer.
• Tell the Thai bank in advance about a large transfer and ask what it will need.
• Keep the confirmation and UETR for every international payment.
• Use a route you can track, such as a specialist provider or Bangkok Bank's London branch.
• Keep a buffer in baht in your Thai account so one late transfer doesn't leave you short.

If a delay leaves you short in Thailand

If you're waiting for money and need cash now, a fee-free UK debit or credit card at a Thai ATM will tide you over — the Thai ATM fee of about ฿220 per withdrawal applies, so take larger amounts less often. A credit card can cover a hotel or a deposit while the transfer is chased.

If the delay comes with a bigger problem — you're travelling, unwell or your plans have changed — sort out the essentials first. A hotel for a few nights, travel or health insurance and a way home matter more than the transfer; the money will arrive.

How we researched this guide

We used Bangkok Bank's 2026 bank holiday list and its London branch and mobile transfer pages, Krungsri's individual remittance tariff from 1 July 2026, SCB's SWIFT inward page, Wise's Thailand transfer page, Swift's published gpi performance figures and UK payment-services complaint timescales as set out in firms' complaints policies under the Payment Services Regulations. Bank processes and charges change; ask your bank for its current procedure. Checked 13 October 2026. This guide is general information, not financial or legal advice.