Details of (Before the first occupation of each of the commercial elements of the development hereby permitted, a certified Post Construction Review (or other verification process agreed with the local planning authority) shall be submitted to and approved in writing by the Local Planning Authority confirming that a BREEAM rating of 'Excellent' has been achieved) required by Condition 21 of the planning permission ref: 15/AP/3097 dated 13/04/2016 for: Variation of Condition 1 (approved plans) of planning permission 14-AP-2695 which was a variation of 11-AP-2012 [for: 'Demolition of existing building and erection of a building (with basement) up to eight storeys in height (maximum 28.50m at corner) fronting Marshalsea Road and Borough High Street comprising office / retail floorspace (Class B1 / Class A use) and 96 residential units; erection of a four storey mews building to the rear (13.10m) comprising 4 residential units; provision of open space with ancillary plant, car parking and servicing, works of hard and soft landscaping and new pedestrian access to Borough High Street together with other associated and enabling works]' to secure: Reduction in basement size and minor revisions to the basement and ground floor layouts'