The UK government needs intention to be shown. This would be by way of evidence from the person who is sponsoring the Thai wife. The evidence needed to support this can be a letter from the sponsor who is a person that is present and/or settled in the UK or a person who has the right of abode and/or indefinite leave to enter and/or remain in the United Kingdom who is married to the party. They need to confirm that the applicant who is his / her legally married spouse and would be staying with him / her at a given address owned / occupied by the sponsor.
This letter provides proof of the intention of the sponsor/husband/wife that he will be residing with his spouse together at a given address. While the submission of such a letter along with the entry clearance application form by the applicant will serve as a proof of the intention of the applicant that he / she agrees to stay together with his / her spouse at the address given on the letter by the sponsor.
The entry clearance officer might ask questions regarding the address or description of the place of residence, where the applicant intends to stay in the UK. This is to confirm that the applicant has all the intentions to live together with his / her spouse. It is, therefore really important to know the address and the description of the property where the applicant and his / spouse would be staying in the UK.
