The appeal is dismissed and outline planning permission is refused for the demolition of existing buildings (retention of existing pumping station) and construction of 30 dwellings with associated works at Roestock Depot. Roestock Lane, Colney Heath, St Albans, Hertfordshire. The Application Reference 5/15/0784 dated 18 March 2015 was refused by notice dated 6 July 2015. The appeal is made by Affinity Water Limited against St Albans City and District Council.