Demolition works pertaining to the 'construction of four buildings ranging in height from two to six storeys comprising 76 residential units (Use Class C3), flexible retail space (Use Class A1 / A2) (at ground floor of the building fronting Northfield Avenue), office space (Use Class B1) (at ground and lower ground of the building fronting Northfield Avenue), landscaping, access and servicing, car parking and associated works' as the development of the proposal permitted under planning permission ref: 171721FUL dated 02/02/2018 (Lawful Development Certificate for an Existing Use)