Erection of single storey mansard roof extension to create additional residential (Class C3) floorspace and rear terrace at second floor level with associated works to the building including new and replacement windows. [Revised Description of Development to include terrace]

Partial excavation of existing rear garden to create a new two storey link extension at lower ground and ground floor level behind 25 Wimpole Street and 18-20 Harley Place to provide Class E (g)(ii) research and development space in conjunction with a new single storey basement and mansard roof extension at 18-20 Harley Place, installation of new plant on main roof at 25 Wimpole Street and new rear garden and outdoor terrace spaces to the rear of 18-20 Harley Place and 25 Wimpole Street. (Part of a land use swap with 27 Wimpole Street). (Linked with 23/03400/FULL)

Confirmation that the planning permission dated 23.09.2020 under reference 20/04785/FULL for Use of building as a single dwellinghouse (Class C3); excavation of a basement extension under house and part of rear garden; installation of replacement windows and doors; alterations to front forecourt including new garage entrance; alteration and extension to side extensions; alterations to rear lower ground floor terrace; and erection of lift overrun at roof level, has been lawfully commenced and it is lawful to continue with that development.

Amendment to planning permission dated 19 May 2023 (RN: 23/02091/FULL) (as amended by 23/05021/NMA) for the: Temporary installation of 16 PV Panels on the roof of the Serpentine Gallery (as part of Tomas Saraceno's art exhibition) from 30 May 2023 to 11 September 2023 namely, to amend the description of development to extend the planning permission until 11 January 2024.

Amendments to planning permission dated 23 May 2022 (RN: 21/07685/FULL) for variation of conditions 1, 14 and 17 of planning permission dated 29 August 2019 (RN:19/00531/FULL) for: Refurbishment and extensions to existing building including replacement of external facades; three additional floors at roof level plus rooftop access housing and plant enclosure; and terraces at second to seventh floor level; to provide retail (Class A1), office (Class B1) and nightclub (Sui Generis) floorspace, to allow changes to the rooftop plant enclosure, improvements to cycle storage space, amendments to the waste stores, revised massing at first to fourth floor level on the Goslett Yard elevation and changes to the approved facing materials. Namely, to amend the description of development to read as follows: Amendments to planning permission dated 23 May 2022 (RN: 21/07685/FULL) for variation of conditions 1, 14 and 17 of planning permission dated 29th August 2019 (RN:19/00531/FULL) for the refurbishment and extensions to existing building including replacement of external facades; three additional floors at roof level plus rooftop access housing and plant enclosure; and terraces at second to seventh floor level; to provide commercial, business and service uses and nightclub (Sui Generis) floorspace.

Amendments to planning permission dated 19 May 2023 (RN:23/02091/FULL) for the temporary installation of 16 PV panels on the roof of the Serpentine Gallery (as part of Tomas Saraceno's art exhibition) from 30 May 2023 to 11 September 2023 namely, to amend the description of development to extend the planning permission from 11 September 2023 to 11 October 2023.

Amendments to planning permission dated 19 December 2019 (RN: 19/00261/FULL) for, "Erection of a single storey roof extension to provide eight additional residential units (Class C3) (2 x 1-bed, 3 x 2-bed and 3 x 3-bed units). Relocation of existing water tanks to new roof level"; NAMELY, to omit the original unit mix from the development description.

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

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.

Development of part four storey Norman Shaw South internal courtyard infill building, to provide further accommodation for parliamentary uses (Sui Generis). Partial reconfiguration of basement level of 1 Canon Row to accommodate a new cycle centre and goods lift connecting to the lower ground level. Single storey building in 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 19/08271/LBC REVISED SCHEME: including amendments to risers and services and omission of photovoltaic roof tiles. 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