Partial discharge of Condition 4 - structural engineers calculations/ drawings for the proposed opening in the party wall between Nos. 66 and 68 and the larger opening at the rear of No. 66 required by planning permission dated 09/05/2017 [LBS Ref: 17/AP/0750] for 'Internal and external alterations associated with the change of use of part ground and basement levels from office (use class B1a) to flexible A1/A2/A3/A4 use, and the erection of an in-fill mansard roof extension at fourth floor level and creation of an additional third floor at the rear of the site to provide additional office accommodation (use class B1a), internal alterations and a new shopfront. - RESUBMISSION'.