Proposed demolition of single storey side extension and erection of a replacement single storey side extension (set back from the front elevation of the main house). Proposed additional single storey rear extension, internal alterations and new windows/doors to rear elevation (ground floor). Conversion of existing basement chambers to habitable rooms. Alterations to the front boundary of the site to allow for hardstanding parking area. Proposed gated access and a driveway leading to the new garage. Proposed raised patio area to the rear elevation (updated description of proposal 10/10/22).

Discharge of Conditions 3 (Testing and Validation of Imported Materials) and 6 (Tree Planting and Biodiversity Enhancement Measures) of Planning Permission reference DC/072506 for Elevational alterations to Dolphin House, including works to create a brick and glazed entrance area, insertion of doors, installation of externally mounted metal escape stair, new access ramp, new ballustrading to existing access ramp, siting of sprinkler tank and pump house upon area of car park, installation of roof mounted plant, including a 130 square metre plant area, hard surface landscaping, segregated recycling and waste management area, erection of boundary treatments, and associated works, in association with the use of the building for Use Class B1 offices, research and development, processes and ancillary functions.