Three to four days is ideal for first-time visitors to experience iconic landmarks, major museums, neighborhood exploration, and West End entertainment without feeling rushed.
Late spring (May-June) and early autumn (September-October) offer pleasant weather and fewer crowds than summer, though London is vibrant year-round with unique seasonal attractions.
Yes, London is generally very safe with excellent police presence and security in tourist areas; standard precautions like avoiding empty late-night streets apply.
The Tube (Underground) is quickest and most economical; the Heathrow Express train is speedy from Heathrow, while buses and taxis offer alternatives at varying costs and travel times.
Major museums like the British Museum, V&A Museum, and Natural History Museum offer free permanent collections, though special exhibitions may require paid entry.
Smart casual is standard, though evening wear is acceptable; there's no strict dress code, so wear what makes you comfortable while looking neat and respectful.
Cancellations, lost luggage, medical emergencies — travel insurance covers the unexpected for under US$2/day.
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