Freud Museum
The former home of Sigmund Freud. A wide range of exhibits, most famously including the psycho-analytic couch that all of his patients used. Freud was an avid collector of antiquities and there is a fine collection of Greek, Roman and Oriental pieces on show.

The former home of Sigmund Freud. A wide range of exhibits, most famously including the psycho-analytic couch that all of his patients used. Freud was an avid collector of antiquities and there is a fine collection of Greek, Roman and Oriental pieces on show.
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