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2 Chesterfield Street London W1J 5JF

26/05384/LBCApproved

Approved on 21 October 2026

Site boundary (council red line)

Proposal

Replacement of the principal staircase; installation of a passenger lift; creation of a new fourth floor within a raised roof structure; formation of a self-contained lower ground floor flat; reconstruction of the lower ground staircase; associated alterations to the front and rear lightwells; internal and external alterations; and associated works. (Linked with 26/05384/LBC)

Received
7 August 2026
Public comments
0 · last counted 4 October 2026
  1. Received7 Aug
  2. Validated7 Aug
  3. Consult.
  4. Target
  5. Decided21 Oct

Decided in 75 days

About this application

This is a planning application at 2 Chesterfield Street London W1J 5JF. Westminster has handled 27,078 applications of this type. This one was decided in 75 days, 4 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 20 listed buildings nearby. There have been 5 other applications at this address. We hold 935 applications in total for the W1J postcode area.

Application details

Postcode
W1J 5JF

Planning application dates

Date validated
7 August 2026

Additional information

Documents
45

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Mayfair
  • Listed building: Grade II: 2, Chesterfield Street W1On this site · +6 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Tree Preservation Order: Ref W88Protected tree on or next to this site · +2 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)

flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

  1. 2026
    7 Aug

    Replacement of the principal staircase; installation of a passenger lift; creation of a new fourth floor…

    ApprovedApplicationRelated26/05383/FULL
  2. 2026
    7 Aug

    Replacement of the principal staircase; installation of a passenger lift; creation of a new fourth floor…

    This applicationApprovedListed building consent26/05384/LBC

Planning history at this site

11 other applications at this property, newest first.

  1. 2026
    17 Sep

    Details of Conservation Method Statement(s) (CMS), and a structural report,detailing the method to be used…

    ApprovedDischarge of conditions26/06389/ADFULL
  2. 2026
    17 Sep

    Details of Conservation Method Statement, photograph of a sample of the Yorkstone, sample panel of glazing…

    ApprovedListed building consent26/06362/ADLBC
  3. 2026
    8 Jun

    Details of brick and motar repair pursuant to Condition 8 (part) of planning permission dated 27 September…

    ApprovedDischarge of conditions26/00619/ADFULL
  4. 2026
    8 Jun

    Detailed drawings showing the removal of over throw lamp and frame to entrance railings pursuant to Condition…

    RefusedListed building consent26/00606/ADLBC
  5. 2025
    22 Sep

    Rear infill extension at lower ground floor and enlarged terrace above at rear ground. (Linked to…

    ApprovedListed building consent25/06787/LBC
  6. 2025
    22 Sep

    Rear infill extension at lower ground floor and enlarged terrace above at rear ground. (Linked to 25/06787/LBC

    ApprovedFull Planning Permission Application25/06786/FULL

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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