LOCATION, AREA, BOUNDARIES, LANDFORM, SETTING. Denham Place lies 4km north-west of Uxbridge and 4km east of Gerrards Cross, at the west end of Denham's main street, Village Road, in the broad River Colne valley at the eastern end of the Chiltern Hills. The 17ha site is bounded to the west by the A412 Denham Avenue, to …