Syon House

1. 4419 PARK ROAD, ISLEWORTH Syon House TQ 1776 33/361 15.6.51.

II GV

1. Built on remains of a Brigittine Abbey nunnery (1430-70). Part of C15 undercroft remains. Protector Somerset reconstructed the house in 1547-52, substantially in its present shape. The house, 3-storeys with crenellated top and gable turrets, is built on a hollow square. East front ground floor loggia mid C17. Remodelled inside and out by Robert Adam 1767-5. In 1874 the Percy Lion, transferred from Old Northumberland House at Charing Cross was erected on the river front. Slight war damage, 2nd floor of North West tower rebuilt; 2 statues on columns in anteroom destroyed. Vide RCHM; p86; Country Life V, p112, XLVI, pp728, 802, 838, 874. Associated with the house; Catherine Howard 1541-2, Protector Somerset, executed 1552; John, Duke of Northumberland and Lady Jane Grey, both executed 1553; the nuns recalled from the Netherlands 1557-8; Henry Percy, Earl of Northumberland, involved in the Gunpowder plot; the children of Charles I; Charles II in the plague of 1665 and the Dukes of Northumberland of 1766 who still hold it.

Syon House and its Lodges form a grade I group.

Listing NGR: TQ1728276685