Syon Park
Park · London Borough of Hounslow
Historic house museum
Syon House is the west London residence of the Duke of Northumberland. A Grade I listed building, it lies within the 200-acre (80 hectare) Syon Park, in the London Borough of Hounslow. The family's traditional central London residence had been Northumberland House in Trafalgar Square, since demolished. The eclectic interior of Syon House was designed by the architect Robert Adam in the 1760s.