The English-Speaking Union is located at:
37 Charles Street
London W1J 5ED
Nearest tube stations: Green Park on the Piccadilly, Victoria and Jubilee lines. Bond Street on the Central or Jubilee lines.
Many bus routes run to stops within a 5 minute radius on Piccadilly, Berkeley Square and Park Lane.
Whilst there are no parking facilities at Dartmouth House, there is an NCP car park on Shepherd's Market and metered street parking is available, although limited.