[5] He was on the board of trustees of The Architecture Foundation from 1992 to 1999[2] and a founder, and the first chairman, of the Spitalfields Historic Buildings Trust.
[6][1] He was the grandson of Henry Beresford, 6th Marquess of Waterford through his mother, Lady Blanche Girouard.
[1] His Life in the English Country House won the Duff Cooper Memorial Prize for 1978,[7] and the WH Smith Literary Award in 1979.
[8] National Life Stories conducted an oral history interview (C467/92) with Girouard in 2009 for its Architects Lives' collection held by the British Library.
Girouard was descended from Saul's brother Edward, born in 1820 in Saint Helena, who spent 18 years working with the Griquas and Basutos in South Africa for the London Missionary Society.