What to do in London (LHR) during your 12 hours layover?

Here the perfect itinerary for your 12 hours stopver in London LHR

Landing in London LHR

30 minutes

It's important arrive before everyone else to make the most of your layover. Here some tips that can save you lot of time. Depending on how many employees will be at the border, each person in front of you will take about 3 minutes to be chechked.
Right after landing, head to the security gate as fast as possible.
Use the restroom when you are on the plane, not when going to the security.
Seat on the front of the plane.
Seat on the aisle.

43 minutes

🚶 Walk to Heathrow Terminals 2 & 3 for 5 mins

🚇 Train towards London Paddington for 16 mins

🚶 Walk to Paddington Station for 4 mins

🚇 Subway towards Elephant & Castle for 12 mins

🚶 Walk to Unnamed Road, Charing Cross, London WC2N 5DN, UK for 3 mins

National Gallery

1 hour

Visit National Gallery

9 minutes

🚶 Walk to Trafalgar Square (Stop D) for 1 min

🚇 Bus towards Pimlico for 5 mins

🚶 Walk to Palace of Westminster, 3 St Margaret St, Westminster, London SW1P 3JX, UK for 4 mins

Big Ben

30 minutes

Visit Big Ben

5 minutes

🚶 Walk to Westminster Station for 1 min

🚇 Subway towards Ealing Broadway for 1 min

🚶 Walk to Transport for London - Windsor House, Westminster, London SW1H 0TL, UK for 3 mins

London Underground

30 minutes

Visit London Underground

6 minutes

🚶 Walk to St James's Park Station (Stop SC) for 1 min

🚇 Bus towards Waterloo for 2 mins

🚶 Walk to Westminster Abbey, Westminster, London SW1P 3PA, UK for 3 mins

Westminster Abbey

30 minutes

Visit Westminster Abbey

6 minutes

🚶 Walk to 1 Horse Guards Rd, Westminster, London SW1A 2HQ, UK for 6 mins

Churchill War Rooms

30 minutes

Visit Churchill War Rooms

2 minutes

🚶 Walk to Horse Guards Rd, London SW1A 2AD, UK for 3 mins

St. James's Park

30 minutes

Visit St. James's Park

13 minutes

🚶 Walk to Charing Cross (Stop E) for 9 mins

🚇 Bus towards Temple for 2 mins

🚶 Walk to 3 The Market, Covent Garden, London WC2E 8RA, UK for 3 mins

Covent Garden

30 minutes

Visit Covent Garden

15 minutes

🚶 Walk to Aldwych (Stop D) for 5 mins

🚇 Bus towards Hackney Wick for 9 mins

🚶 Walk to 5 Paternoster Row, London EC4M 7DX, UK for 3 mins

St. Paul's Cathedral

30 minutes

Visit St. Paul's Cathedral

1 hour and 40 minutes

It's time to get back to the airport

Your flight is departing