Partial demolition of the 1980s extension with infilling of existing terrace space at 43-44 Parliament Street and development of a new facade to the Canon Row elevation; a new roof and mansard on 1Parliament Street and 2-4 Canon Row; refurbishment of Bridge Street buildings; and alterations to ancillary residences to provide further accommodation for parliamentary uses (Sui Generis); internal and external refurbishment, including installation of new building services; secondary glazing; and interiors; creation of new openings; and refurbishment of basement vaults, and associated works including temporary construction works. (Linked to 19/08287/FULL) REVISED SCHEME: including amendments to Canon Row facade, roof plan and form, pitch of Parliament Street mansard roof extension to north and northern lift overrun; increase in area of photovoltaics; internal amendments.

Partial demolition of semi-derelict building fronting Sudbury Street and replacement with 4-storey extension, erection of 2-storey extension to South West building and associated internal/external alterations to buildings to create mixed use development comprising ground floor bar (A4), ground and 1st floor flexible venue and function space and café bars/restaurants (A3/ Sui Generis), 1st floor artist/craft makers studios (B1) and hotel/guest house accommodation or short term let studios at 2nd/ 3rd floor levels (C1/ C3)