20 Queen Anne's Gate London SW1H 9AA
External alterations, repairs and refurbishment, including reconstruction of modern rear extension together with lowering of the lower ground floor level, alterations to front lightwell, alterations to existing ground floor terrace/lower ground floor roof terrace including new walk-on rooflight, new metal railings, and paving, replacement windows and doors, and enlargement of roof plant space with new mechanical plant equipment.