PROTECTED STRUCTURE: Permission for development on the corner of Harcourt Terrace and Adelaide Road consisting of the demolition of the existing derelict rear return to the main house, and construction of a 4 storey return containing 2 no. additional guest suites, bathroom, storage and ancillary basement plant room, all accessed from the existing landing of the main house with a combined internal floor area of 80 m2 and 11 sq m of external terraces and the demolition of the existing derelict mews walls located on the mews site to the south of the main house and the construction of a new single family dwelling over 3 storeys (garden level, upper ground, and mezzanine level with primary access from Harcourt Terrace, consisting of 2 no. double ensuite bedrooms, 1 no. single bedroom, living, kitchen dining, greenhouse and ancillary spaces with a gross internal floor area of 166 m2, plus a 19m2 external terrace at upper ground level and a 31m2 external courtyard at garden level. Works will also include the reinstatement of the Regency colonnade entrance to the mews from Harcourt Terrace and reconstruction of the boundary wall and access gate to the rear, external landscaping to front and courtyard; drainage and associated siteworks together with the retention of 3 no. car parking spaces accessed from Harcourt Terrace and 1 no car parking space to the rear, accessed from Adelaide Road.