UK visa application form. According to the UK visa type you are applying for, you may have to complete the form online at the website of the Visa4UK website, or the manual application form.
Two photographs. These photos should be taken within the past six months and in color.
Your Valid Passport. It must be valid for three more months beyond the date you plan to leave the UK after your trip. It must also have at least one blank page for the visa.
Proof you have the financial means to cover the living costs while in the UK. This may be your bank statements for the last six months, or pay slips for the same period.
Proof of accommodation. You will need to present a document that shows where you will be accommodated while in the UK. Note that you do not have to fully pay a hotel/hostel in UK before getting the visa, just to get such a document.
Detailed travel itinerary. Submit a travel plan that gives all the information regarding how and what you are planning to do in the UK. Include the travel dates, places you will visit, meeting agenda, booked tour, festival agenda, etc.
Tuberculosis Test Results. Nationals of several world countries will need to submit the requests of a Tuberculosis Test in order to be eligible for a UK Visa.
Biometric information. If you are applying for a visa that lets you stay in UK for more than 6 months, you will need to submit your biometric information. This includes giving your fingerprints and a digital photograph taken at the appropriate application center.
UK visa invitation letter. (If applicable). If you will be staying over at a friend or a family member, then you should submit a letter of invitation. Your host must be a UK national or a legal resident.
Paid UK visa fees. You should submit the receipt that confirms you have paid the visa fee as required.
Certified translations of any document that is not in either English or Welsh.