London questions, answered from official sources

Forty questions about visiting, working and doing business in London. Each page gives the short answer first, then how it works in practice, then what it is most often confused with, and links the official source so you can check the current rule yourself.

Travel and visit

Airports, the Tube, fares and where the city puts its visitors.

Business and finance

Company registration, banking, tax and the cost of an office.

Legal, visa and entry

Entry permission, work rights, passports and border checks.

Big city topics

Road charging, renting, schooling, healthcare and local services.

These pages explain how the rules work and link the authority that owns them. They are not legal, tax or immigration advice, and amounts and thresholds change, so open the source before you act.

Knowledge, London

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Machine-readable summaries for AI agents: /llms.txt and /llms-full.txt.