It looks small but stretches a long way back, and proprietor Tom Smits has filled it with a delightful variety of furniture, paintings, china, and ornaments. I coveted an 18th century French sideboard but realized it was too large to fit in my apartment. Maybe one day.
Update, May 2013 - Tom is closing his shop at the end of November. After 38 years in business, he's decided to enjoy a well-deserved retirement and travel. We'll be watching 357 Talbot to see its next incarnation.
Update: This is now London Coin Centre.