Fenton House is a 17th-century merchant’s house built by William Eades, the house is brick built, with 1693 inscribed on the chimney’s breast. Architecturally the building is a William and Mary domestic house in style, and features a walled garden with a sunken garden, an orchard and kitchen garden.
https://www.nationaltrust.org.uk/fenton-house-and-garden 15 minutes Hampstead tube