To access Central London including Leicester Square, Covent Garden, Trafalgar Square, Piccadilly and Soho take the Piccadilly Line (Blue) Eastbound from Gloucester Road for access to all these within 20 minutes.
For the Houses of Parliament, Big Ben, London Eye and the London South Bank take the Circle Line (Yellow) from Gloucester Road and get off either at Westminster or Embankment.
The London Underground closes after 12am, but there are many buses that run all night. The number 9 bus route runs 24 hours and passes by Hyde Park Corner, Piccadilly Circus, Trafalgar Square, Aldwych (for Theatreland). The number 10 bus route runs from Kings Cross to Hammersmith and includes pick up from Euston, Oxford Circus, Bond Street and Marble Arch.
Heathrow – (Cheap) Take the London Underground and depart at Gloucester Road station. (Fast) Take the Heathrow Express to Paddington and get on the Circle Line to Gloucester Road.
Gatwick – (Cheap) BOOK IN ADVANCE Coach to Earls Court then take the London Underground (District) to Gloucester Road. (Fast) Take the Gatwick Express to Victoria Station then take the London Underground (Circle) to Gloucester Road.
Stanstead – BOOK IN ADVANCE Coach to Baker Street then take the London Underground (Circle) to Gloucester Road.
Luton – BOOK IN ADVANCE Coach to Marble Arch then take the London Underground (Central)