By Laura McGuire A plan to add three storeys and a roof garden to the former London HQ of Deutsche Bank have been given the green light by the City of London Corporation. The scheme, developed by London-based architects Orms, will see capacity at 75 London Wall increase by 40 per cent to 688,000 sq ft. Real investors Gamuda Berhad and Castleforge Partners are acting as joint partners for the redevelopment which is anticipated to be developed in the third quarter of 2027. It will be hailed as another boost to London’s commercial property sector, which has suffered in recent years due to work fr…