Requisitioned Land and War Works Act 1945 https://api.parliament.uk/historic-hansard/commons/1947/dec/16/requisitioned-land-and-war-works-bill https://research-information.bris.ac.uk/ws/portalfiles/portal/198776286/Full_text_PDF_accepted_author_manuscript_.pdf
General Inclosure Act 1845 http://www.legislation.gov.uk/ukpga/Vict/8-9/118 if the commons were within 4 miles distance of large towns, and 15 miles of London, a proportion of the enclosed land had to be set out for recreation 10 acres above 10,000 population 8 above 5
1836 Inclosure Act 6 & 7 Will IV c115 common fields exempted from enclosure if they lay within 10 miles of London or 3 miles of a town of over 100,000 population