Just had a look at the Environmental Agencies historic maps of landfill sites. Both of Harrods hangars and most of the long term car park was part of the tip so it doesn't mean that nothing can be built there. It just means it is more expensive to build there.
http://maps.environment-agency.gov.u...,3,10,&scale=9
Last edited by LTNman; 16th Dec 2016 at 07:59.