naturally high groundwater". Woburn Hill has "slowly permeable seasonally wet slightly acid but base-rich loamy and clayey soil". New Haw, the southern part of the Addlestone post town and historically a part has "freely draining slightly acid loamy soils"; so does Great Grove Farm. West of the M25 as far as the centre of Ottershaw is a belt of "slightly acid loamy and clayey soils with impeded drainage" soil.

Demography