The current Thai passport, expired or valid less than 6 months;

Two passport-size photos;

Two photocopies of Thai Birth Certificates;

Two photocopies of parents’ passports;

Two photocopies of parents’ Thai Citizen Identity Cards or House Registration Documents (Alien father or mother exempted);

Two photocopies of parents’ Marriage Certificates;

Two photocopies of Divorce Certificates: If parents are divorced or do not live together, a confirmation letter or document certifying child custody is required;

If parents do not get married, please contact the Royal Thai Embassy in advance for getting additional instruction.

2. How to complete the application form for extension of Thai passport

Complete two application forms (Form 4) in Thai clearly and correctly, using the applicant’s surname and forename as they appear on Thai Birth Certificate;

If the passport has already expired, please fill in two additional Investigation Record Forms (Form 2);

Signatures in accordance with the applicant’s current passport are required to fill in two boxes on the top right corner of the application form (Form 4). If the applicant cannot sign, please stamp left thumb fingerprint in the above-mentioned boxes.

Handwriting of the applicant’s name in Thai or left thumb fingerprint is required to fill at space given on the bottom right corner of the application form (Form 4);

Both father and mother are requested to give consent for their child to extend Thai passport by signing on page 2 of form 4. Two copies of letter of consents issued by Thai authority (The letter of consent form can be collected from the Royal Thai Embassy, London) are required if father or mother do not live in the UK.

After applying for extension of passport, it takes 5 working days to process for the application submitted by hand at the Royal Thai Embassy, London and two weeks to process for the application received by post.

Payment can be made by cash, postal order (which can be purchased at UK post offices), or bank draft (payable to: the Royal Thai Embassy, London). Please be informed that personal cheques and bank drafts are not accepted.

Should the applicants wish the Royal Thai Embassy to mail their passports by post, a properly stamped and self-addressed envelope is required, as follows:

If the applicant resides in the United Kingdom, please enclose an SAE, stamped £1.50 GBP for Recorded Delivery, or £5.00 GBP for Special Delivery.

If the applicant resides in the Republic of Ireland, please pay an additional £6.00 GBP by cash or postal orders only. (please be advised that only GBP sterling is accepted).