Original, signed United Kingdom passport with at least 6 months of remaining validity.
Passport-type photographs: 3
Hotel Reservations. Copy of confirmed hotel reservations.
Personal Invitation. If visiting friends or family, you must provide letter of invitation with the contact information of the host and visitor, who is responsible for the expenses, purpose and duration of the visit, confirmation of accommodation including the address, signature and date. You will also need to provide proof of the host's status in Bangladesh ie. copy of their Bangladesh passport's information page, or, if they are not a citizen of Bangladesh, copies of their Bangladesh residence permit and their national passport's information pages.