High Quality Content by WIKIPEDIA articles! Hedsor House is a Georgian style mansion in England in the southern most point of Buckinghamshire in the village of Hedsor, Taplow. Perched overlooking the River Thames, a Manor house at Hedsor can be dated back to 1166 when the estate was owned by the de Hedsor Family. In the 18th Century it was a royal residence of Princess Augusta, The Dowager Princess of Wales.