After I get my visa

this is the UKvisas faq

Can I use the visa to enter the UK more than one time?

Can I use the visa to enter the UK more than one time?

Do I need to bring any documents with me to the UK?

Do I need to bring any documents with me to the UK?

Does the visa guarantee my entry to the UK?

Does the visa guarantee my entry to the UK?

How long can I stay?

How long can I stay?

I am already in the United Kingdom? Who should I contact for advice about immigration matters?

I am already in the United Kingdom? Who should I contact for advice about immigration matters?

If my travel plans are delayed, can the validity of my visa be changed?

If my travel plans are delayed, can the validity of my visa be changed?

What do I do if my passport and visa are lost or stolen?

What do I do if my passport and visa are lost or stolen?

What if my reason for going to the UK changes?

What if my reason for going to the UK changes?

What is the latest date that I can arrive in the UK with my visa?

What is the latest date that I can arrive in the UK with my visa?

The official British Government website for visa services