You need to have an apartment or a house in order to satisfy the UK government. This could take the form of tenancy agreements, house ownership papers or any other documents showing that there is a place to live for the Thai spouse and the dependents.
It might also help if you have a letter from the local council to confirm the amenities and the amount of rooms in the house and that it is fit for human habitation. The documents also need to be supported bu statements fromt he bank to show sufficient funds and that there would be no need to access public funds.
UK Spouse Visa
