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

Development of part four storey Norman Shaw South internal courtyard infill building, to provide further accommodation for parliamentary uses (Sui Generis); internal and external refurbishment, including installation of new building services and rooftop louvres; secondary glazing, and interiors, creation of new openings, alterations to basement vaults, and associated works including temporary construction works; Partial reconfiguration of basement level of 1 Canon Row to accommodate a new cycle centre and goods lift connecting to the lower ground level, limited secondary glazing and brickwork repairs to internal courtyard facade and replacement of fire doors connecting to Norman Shaw South; Single storey building to St Stephen's Yard connecting to Norman Shaw South and Portcullis House to provide an extension to existing accommodation for parliamentary uses (Sui Generis). Linked to 19/08267/FULL REVISED SCHEME: including amendments to risers and services and omission of photovoltaic roof tiles.

Conversion of the existing barn to ancillary accommodation to the main house. Associated works including construction of new roof, first floor and staircase; insertion of two side windows, one rear window and three roof lights; removal of internal partitions. Construction of single storey side extension.