What are the bank account requirements for applying for a Non-O visa from the UK?

When applying for a Non-O visa from the UK, you can use funds from either a UK bank account or a Thai bank account. However, it is essential that you provide three months of bank statements and ensure that the required balance of THB 400,000 remains in your Thai account when you submit the application. Premium Bonds accounts are not acceptable, and funds must be in an account with instant access.