Proposed development at: Strand House, 7 Holbein Place, LONDON, SW1W 8NR. Description of Development: Demolition of roof structures and fourth floor level and erection of fourth, fifth floor and part sixth floor for office (Class B1) use. Construction of roof terrace and plant enclosure. Replacement of windows and plant. Insertion of green walls. Creation of ground floor entrance. Landscaping works and other associated external works. (MAJOR APPLICATION)