External and internal alterations to Brockwell Hall and the Stables Building associated with the change of use and relocation of uses across ground to second floor to provide offices, meeting rooms, volunteer space, function and events space and a café; specifically including the removal of partitions in the ground floor function rooms, raising the floors, restoration of the original layout of the stable block and repositioning the staircase. Erection of a single storey extension and provision of level access to the building, installation of a lift within the main house and a terrace in relation to the café. Provision of additional public toilets and toilet facilities within the main building, associated landscaping works and provision of refuse storage.