Anonymous participant 505 it’s very simple. The law requires you to report your address to Immigration every time you spend 90 consecutive days in the Kingdom.
incorrect. If you are tax resident in 2024 and you remit income earned in 2024 in 2025 and you are still a tax resident in 2025 then the remittance is taxable. Thailand taxes foreign income earned whilst tax resident even if remitted in future years (as long as you are tax resident).
Anonymous participant unless you become a snowbird your UK pension will be frozen if you chose to retire in Thailand. You relinquish UK tax residency over time through your physical presence in Thailand.