Use of the second floor to provide a welfare facility (Sui Generis) to serve construction workers at the adjoining South Molton Triangle development for a temporary period until December 2029, along with minor external alterations including provision of CCTV camera, window frosting film and extract vents.

Internal alterations at all levels to accommodate office refurbishment, installation of 4 x heat pump units and photovoltaic panels at roof level, replacement of rear basement rooms and single storey extension to rear ground floor to extend existing office use, re-construction of existing wc closet extension at mid first/second floor level, replacement of existing window sashes with double glazed timber sashes, external repairs to building and associated works, all in connection with continued office use.

Variation of Condition 1 and 11 of planning permission dated 20 October 2022 (RN: 22/04903/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; and amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; namely, design modifications to the Carlton House Terrace elevation including an additional entrance, pavement lights, replacement railings and re-alignment of a section of the south facade; alterations to the lower ground floor glazing on the west elevation, a new stairwell and platform lift to roof terrace (level 10), widening of central core to accommodate emergency access and fire-fighting lifts, realignment of level 10 balustrade and alterations to south-west lift overrun and amendment to the wording of Condition 11 to include the word 'pergolas'.

Demolition of conservatory and construction of new single-storey rear extension. Internal alterations. (Linked with 23/01417/LBC)

Demolition of conservatory and construction of new single-storey rear extension. Internal alterations.(Linked with 23/01416/FULL)

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

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 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 19/08221/LBC. 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 Reg 25) 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

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 1 Parliament 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); associated temporary construction works. (Linked to 19/08290/LBC). 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. RE-CONSULTATION following receipt of Addendum to originally submitted Environmental Statement (ES) and further information (EIA Reg 25) 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

Installation of glazed roof covering the Norman Shaw North internal courtyard, to provide further accommodation for parliamentary uses (Sui Generis); alterations to existing openings and basement vaults; piled foundations in Commissioners Yard to support a temporary construction plant gantry, and associated works including temporary construction works. (Linked to 19/08251/LBC) REVISED SCHEME: including amendment to courtyard opening associated with main entrance, courtyard roof structural support, courtyard lighting & courtyard floor finish; amendment to roof ventilation detail, access to ducts in reconstructed chimneys; removal of lift from south-west stairwell and omission of UKPN substations. 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

Installation of glazed roof covering the Norman Shaw North internal courtyard, to provide further accommodation for parliamentary uses (Sui Generis); internal and external refurbishment, including installation of new building services and rooftop louvres; courtyard roof fixings; secondary glazing; and interiors; alterations to existing openings and basement vaults; piled foundations in Commissioners Yard to support a temporary construction plant gantry, and associated works including temporary construction works. (LINKED TO 19/08243/FULL) REVISED SCHEME: including amendment to courtyard opening associated with main entrance, courtyard roof structural support, courtyard lighting & courtyard floor finish; amendment to roof ventilation detail, access to ducts in reconstructed chimneys; removal of lift from south-west stairwell and omission of UKPN substations.