Kendal House was a historic property located near the River Thames in Isleworth, then to the west of London. It was constructed for the use of Melusine von der Schulenburg, Duchess of Kendal, who had been the long-standing mistress of George I. After the King's death in 1727 she could no longer live at royal residences such as Kensington Palace. It was built as riverside villa in the fashionable Palladian style. One of many such buildings located in the area including Marble Hill House, built around the same time for Henrietta Howard, the discarded mistress of George II.