Crosby Hall
All that remains of a Tudor mansion built in the City of London. In 1910, to avoid demolition to make way for a bank, it was moved brick by brick and reassembled at Cheyne Walk. It is now a Grade II* listed building and possibly the largest private home in the capital.

All that remains of a Tudor mansion built in the City of London. In 1910, to avoid demolition to make way for a bank, it was moved brick by brick and reassembled at Cheyne Walk. It is now a Grade II* listed building and possibly the largest private home in the capital.
Check the official site before travelling; hours and prices can change.
More museums

Sir John Soane's Museum
Free, tiny, deranged — Soane's own house preserved exactly as he left it in 1837.

The Wallace Collection
Free national museum in a Manchester Square townhouse — armour, Boucher, the Laughing Cavalier.

The British Museum
Free, vast, civilisationally heavy — go for one room, not all of them.
Source: wikivoyage