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.

External works to the Royal Opera House arcade including erection of new hanging shopfront signs within the Arcade and James Street shopping frontage; display of fascia shopfront signage on James Street shopping frontage; and repainting the James Street retail frontage.

Alterations to internal partitions, doors and services upgrade in the Boiler House Court ground floor offices.

Installation of two new external gas risers routed through the balconies of the inner courtyard of Edric House (retrospective). (Linked with 23/00584/FULL )

New windows to the rear façade. Internal alterations and changes to layout of existing House in Multiple Occupation (HMO). (part retrospective) (Linked with 23/00217/LBC)

Internal alterations at Level 0, Level -1 and Level -2 comprising, new reception desk to Level 0 lobby, replacement of digital displays within No. 8 John Adam Street; addition of free standing bar to lounge within No. 2, Level 0; relocate service counter and renew furnishings to Coffee House within No. 6, Level -1. New reception desk to events reception within No. 8, Level -2 (Durham House Street); new illuminated internal sign in arch to events reception within No. 8, Level -2 (Durham House Street) and conversion of admin office within No. 18 Adam Street, Level 2 to form multi use business space, including installing two pairs of sliding doors to existing opening.

Alterations to parts of the basement, ground and first floors of Macmillan House at the rear of Platform 1 to form three new retail units, including complete refurbishment of basement passenger toilets accessed from a single shared stairwell; restoration and upgrading of the building fabric to ground and first floors, including reinstating arches within window openings back to their original design; reconfiguring and upgrading the internal layout of Macmillan House to provide three new high quality retail units and providing first floor retail access providing views from the eastern transept windows; and creation of a new active frontage on Eastbourne Terrace.

Installation of two gas meter boxes, one new gas riser and associated laterals and services penetrations to the exterior of Tothill House and relocation of internal meters. (Retrospective) (Linked with 22/06789/FULL)

Development of the side yard to 90 Gloucester Terrace to create a single dwelling, house over 3 floors. (Linked with 23/01751/FULL)