Hybrid planning application for mixed-use development comprising: (1) Outline planning permission (with all matters reserved) sought for a multi-storey building comprising residential (C3), hotel (C1) and retail (A1 to A5) uses alongside associated parking, landscaping and vehicular access. (2) Detailed planning permission sought for the demolition of Grenville House, erection of a three-storey podium extension to Norwich House (accommodating office (B1) and retail (A1 to A5) uses), external alterations to both Norwich and Frobisher Houses, provision of a site-wide hard and soft landscaping scheme, and associated site works including parking provision and modified access arrangements.