Alteration and extension of the existing buildings, including partial demolition and retention and retrofit to provide a building with basement, ground and ten upper floors, setback at fifth to eighth floors with terraces, setback at ninth floor with terrace and plant, and a roof terrace with lift over run and pavilion at the tenth floor, with satellite dish, green roof and solar photovoltaic panels on its roof, and associated works, to provide for retail (Class E (a)) and office (Class E(g)(i)) uses together with associated ancillary spaces to those uses.