Brook House located at 113 Park Lane in Mayfair, London, was built by Thomas Henry Wyatt from 1867 to 1869. It was the home of Edward VII's private banker Ernest Cassel and his granddaughter. Upon his death in 1921, the house was left to Edwina Cynthia Annette Ashley, daughter of Wilfrid Ashley, 1st Baron Mount Temple and Amalia Mary Maud Cassel. She sold the property in 1931, it was built into flats in 1933 and one of the first tenants was Harry Selfridge, who occupied a flat there in 1936.