Full discharge of Condition 30 'Previously Unidentified Contamination: Verification of Remediation' attached to planning permission 18/AP/1577 [Approval date: 05.04.2019], the development description for which reads as follows: 'Construction of a three-storey building for Class D1 use (to provide offices and staff accommodation ancillary to the Imperial War Museum) within the rear yard, to incorporate rooftop plant and photovoltaics, together with the change of use of the existing All Saints Annexe building from Class D1 (ancillary to the museum) use to a mixed Class B1 (office) / Class D1 (ancillary to museum) use. The development will include hard and soft landscaping improvements, the provision of a cycle and refuse store, the provision of one accessible car parking space at the front of the All Saints Annexe building, the demolition of a portion of the site's boundary wall to Geraldine Mary Harmsworth Park and the incorporation of the replacement wall into the ground floor of the proposed building, the realignment of the access road into the site from the Park, demolition of the portakabins and other associated works'.