English: Walled Garden, Birchwood. In 1939 much of this area was acquired by the Government by compulsory purchase for the construction of Risley Royal Ordnance Factory . A huge complex covering 927 acres of prime agricultural land was built; including 1,800 small buildings and a network of roads and railway links. In 1968 Warrington and Runcorn Development Corporation acquired the site.The walled garden has been created from the former Factory reservoir.
== {{int:filedesc}} == {{Information |description={{en|1=Walled Garden, Birchwood. In 1939 much of this area was acquired by the Government by compulsory purchase for the construction of Risley Royal Ordnance Factory . A huge complex covering 927 acres of