London

Have your Oyster/contactless card ready before barriers, let passengers exit first, and avoid eye contact - Londoners value their commute privacy.

Sunday roasts are sacred - book ahead. At curry houses, 'bring your own alcohol' is common. Tipping 12.5% is standard in restaurants if not included.

Visit local markets like Broadway Market on Saturdays, explore village-like neighborhoods like Hampstead, or attend a 'pub quiz' night for authentic local life.

Outdoor photography is generally fine, but prohibited in certain areas like Westminster Abbey's interior. Changing of the Guard is best viewed from the Victoria Memorial.

Many museums are free. The London Pass can save money if planning multiple paid attractions. Walk between nearby sights - distances are often shorter than they appear.

Historic pubs often have 'snugs' (small private rooms) and ghost stories. Try a 'pie and mash' at traditional East End pubs or a riverside pub at high tide.

Layers are key - carry a compact umbrella. Smart casual works almost everywhere, though some clubs enforce strict dress codes.

It's illegal to handle salmon suspiciously (yes, really!). In the City of London, you can still see the 'Rights of Way' markers for medieval street boundaries.

Join locals for lunchtime picnics in parks. Richmond Park offers wild deer, while Hampstead Heath has swimming ponds and panoramic city views.

Use public transport or Santander Cycles, refill water bottles at fountains (look for 'Top up Taps'), and support independent businesses over chains.

Varies by nationality; many can visit visa-free for up to 6 months. Check UK government website.

British Pound Sterling (£). Cards widely accepted, but carry some cash for small shops.

Yes, tap water is safe and free in restaurants.

Heathrow Express (fastest), Tube (cheapest), or taxi (convenient).

Many major museums like British Museum and Natural History Museum are free, though special exhibits may charge.

Not mandatory; 10-15% in restaurants if service charge not included. Round up for taxis.

Yes, but roaming charges may apply. Free Wi-Fi is common in cafes and public spaces.