 The seat lost a broad southern area for an eastern gain in 1918.The seat lost that eastern gain in 1950 but gained Bagshot and surrounding villages.The first form stretched from Egham in the north via Thorpe, Chertsey, Virginia Water, Longcross, Lyne, Windlesham, Bagshot, Chobham, Addlestone, Weybridge and Byfleet to Woking and Ripley in the south.