1. You need to apply from https://www.visa.gov.bd/
Tips of successful visa application:
2. After the application is submitted, please download it and print and then sign.
3. Attach a photo on the top of the application (use glue, please do not staple).
4. Attach the required document in support of your visa category. You may check this link for details: https://bhclondon.org.uk/visa
5. Enclose all the documents as described above.
6. Attach the required fee as a Postal Order in favour of Bangladesh High Commission, London. You may see the visa fee from here https://bhclondon.org.uk/tourist-visa
7. Collect a self-addressed return postal envelope. The envelope should be a Next Day Recorded Delivery prepaid envelope (up to two passports we require a 100-gram prepaid envelope, up to five passports we require a 500-gram prepaid envelope). Write your return address on it and,
8. Send all the documents to Bangladesh High Commission London, 28 Queens Gate, SW7 5JA.
9. Visa will be sent within 21 working days.
Postal guideline who are sending Visa application from Ireland: