Demolition of 582 sq.m (GIA) storage building (B8 Use Class) and erection of 50,445 sq.m (GIA) of research and development accommodation (B1(b) Use Class), including ancillary accommodation and broken down as follows: (i) Office accommodation (9,503 sq.m); (ii) Wafer fabrication (FAB) cleanroom (22,351 sq.m); (iii) Single level basement incorporating 284 no. car parking spaces (9,417 sq.m); (iv) Central Utilities Building (8,694 sq.m); (v) External storage building (480 sq.m); (vi) Cycle parking spaces (80 for staff and 6 for visitors, total 86); (vii) Surface, disabled and visitor car parking (16 spaces) adjacent to the office building entrance; (viii) Access and circulation roads, engineering works and footpaths / cycleways; (ix) Drainage and servicing infrastructure; and (x) Hard and soft landscaping.

Section 73 application to vary condition 2 (approved plans) and to amend the wording of conditions 15, 26, 27 and 29 to read 'prior to the commencement of the development hereby approved, with the exception of below ground works' pursuant to planning permission 15/0864/FUL (Demolition of Leda House and construction of a new 6 storey office building comprising 7421sq.m (GEA) of office floorspace (Class B1); 254 cycle parking spaces; associated plant; hard and soft landscaping; a basement with 40 car parking spaces and 5 motorcycle bays; infrastructure works including basement car park ramp (Scheme B) to permit improved fire escape provision, enhanced cycle facilities and revised elevational treatment