The British Council is the United Kingdom's international cultural and educational organisation. It deals with all aspects of student exchanges, cultural visits and has a very useful guide to all aspects of life and study in the UK in the section Education UK .
You can also download a detailed guide to Living and studying in the UK from this site here (but be careful - it is 190 pages long!)
A guide to studying & living in Britain : up-to-date information and advice for international students in the UK by Kris Rao is available online in full text.
Direct Gov is the official directory to all public services in the UK, covering subjects including driving licences, tax and travel.
Monetos is a comprehensive guide to the private financial sector in Europe. It has detailed fact sheets on insurance, bank accounts and health services in six European countries, all available in six languages. Click on the appropriate flag to change language or click on Services to access useful guides, including Student life in the UK, Visiting a doctor or Opening a bank account in the EU.
UKCISA (UK Council for International Student Affairs) provides advice for staff and students at UK colleges and universities.
UK Visas is the official UK Government website for visa information.
VisitBritain is the official site of the British Tourist Authority and provides useful information to help you to explore Britain