To successfully apply for a visa, you will need a checklist to ensure you meet all the requirements for your visa route.
A basic checklist for a UK visa consists of:
UK visa application form
Valid passport
Prove you have the funds to cover your accommodation and other living costs in the UK
Proof of accommodation
Travel itinerary
Tuberculosis Test Results (nationals of several countries need to get this test to be eligible)
Biometric information
Receipt of visa fees paid