Provision of a temporary Chamber for the House of Commons and supporting facilities and infrastructure, including substantial demolition and redevelopment of Richmond House to create a part seven storey, part six storey building with a roof terrace and three levels of basement, to provide accommodation for parliamentary uses (Sui Generis). Refurbishment and internal and external alterations to 49, 50, 53 and 54 Parliament Street and 85 Whitehall, including a new bridge link, to provide a visitor entrance, visitor shop and workspaces for MPs and supporting staff (Sui Generis). Landscaping works to the forecourt of Richmond House and Richmond Terrace, and associated works including temporary construction works. (Linked to 19/08220/FULL). REVISED SCHEME: including amendments to stair tower on south elevation, reduction in lift overrun to Richmond Terrace, amendments to eastern elevation facing Curtis Green and roof plan to include additional planting RE-CONSULTATION following receipt of Addendum to originally submitted Environmental Statement (ES) and further information (EIA Reg25) including updates to ES: Ch 4 Approach to assessment, Ch 6 Townscape & Visual Impact, Ch 7 Cultural Heritage, Ch 12 Ground Conditions, Ch 13 Cumulative Impacts

Refurbishment including the installation of a glazed roof covering to the internal courtyard to provide further accomodation for the parliamentary uses (Sui Generis); installation of chillers at ground level adjacent to the northern elevation; basement piling; alterations to the courtyard eaves to create a roof access gallery; alteration of the northern elevation; alteration of north western corner stepped plinth; alteration to Laundry Road landscape and levels to provide accessibility improvements; and crane gantry screw piling located in Commissioners' Yard. Internal refurbishment, including installation of new building services and rooftop repairs and reconfiguration including rooftop louvres and reconstruction of chimneys; courtyard roof fixings, secondary glazing; and interiors; alteration to existing openings and basement vaults; and associated works including temporary construction works.

Excavation beneath the footprint of the existing building and excavation of part of rear garden at lower ground floor level. Demolition of the existing extension to the rear and construction of a new lower ground and ground floor rear extension. Repair work to the facade, alteration to street frontage in line with the street and landscaping to the rear garden. Installation of acoustically attenuated condenser to the rear garden. Internal alterations. (Linked 20/03623/FULL)

Replacement of metal mesh and door and restoration of the Snowdon Aviary to encompass new monkey species, apparatus and informal housing for aviary species, safety and balustrade alterations to 'M' bridge, replacement of concrete shelter and erection of new animal house annex and links, alterations to the education building to the west of the aviary, removal and replacement of trees and landscaping alterations including installation of new gate for construction and emergency vehicles, together with demolition of north pheasantry aviaries and re-landscaping. (Linked to 20/02586/FULL).