Central London
Charing Cross station is 20 minutes train from Hither Green station, which is 600 metres from Manna House.
A one-day travel-card, costing £6, will take you there and back and on all tubes and buses in central London.
In walking distance are Trafalgar Square, Big Ben (left) and Buckingham Palace.  A short bus or tube journey will take you to the museums, the galleries, the theatres, the shops and all the riches of London.

Greenwich
Historic Greenwich is 2 miles from Manna House.  Go by car, cab, bus or walking.
See the Royal Naval College, the National Maritime Museum, the Royal Observatory (right) and the Park (dating from Henry VIII's time).