Quick answer

  1. UK retiree path: start with visa proof, pension flow, banking, insurance and GBP/THB together.
  2. Thai SIM: AIS, DTAC or TrueMove at any 7-Eleven, 300–500 THB.
  3. Bank account: Bangkok Bank or Kasikorn are the most expat-friendly.
  4. Banking apps: K PLUS, SCB Easy, Bualuang mBanking.
  5. Health insurance: affordable here, but a serious admission still runs to thousands.
  6. Money transfers: open a Wise account for regular GBP→THB at the mid-market rate.
  7. PromptPay: register it, Thailand's instant payment rail, used everywhere.

UK Retiree Desk: if you are planning to retire to Thailand from the UK, start with our retiree money checklist, then move through the retirement visa guide, UK pension transfer guide, Thai bank account guide and health insurance comparison.

Moving money to Thailand regularly?
Wise transfers GBP to THB at the mid-market rate with one transparent fee, the standing-order workhorse for most expats here.
See the Wise rate