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15, Upper Wimpole Street, W1G 6LS

25/00869/LBCAll OtherApproved

Approved on 3 June 2025

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Infilling of courtyard between the main house and mews house at basement and ground level, installation of glazed sloping roof at rear ground floor level, excavation beneath basement to provide swimming pool, creation of terrace at rear ground floor level with area of planting, creation of new door to facilitate access to terrace at rear first floor level, installation of plant equipment in roof space and at basement level, alterations to the facade and associated internal and external alterations, all in connection with existing dwelling house (Site includes 2 Dunstable Mews).

Submitted
7 February 2025
  1. Received7 Feb
  2. Validated
  3. Consult.
  4. Target
  5. Decided3 Jun

Decided in 116 days (council typically 49)

About this application

This is a planning application at 15, Upper Wimpole Street, W1G 6LS. Westminster has handled 1,741 applications of this type. This one was decided in 116 days, 10 weeks longer than Westminster's typical decision time. The site is in the Harley Street conservation area, with 12 listed buildings nearby. There have been 6 other applications at this address. In the past year there have been 191 applications across MBW_22. We hold 590 applications in total for the W1G postcode area.

92% of all other applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
W1G 6LS
Application type
All Other

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Harley Street
  • Listed building: Ground Floor Flat 17 Upper Wimpole Street London W1G 6LROn or next to this site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, listed buildings, tree preservation orders, 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.

Planning history at this site

6 other applications at this property, newest first.

  1. 2026
    6 Feb

    Detailed drawings/schedules/samples at appropriate scale of works to roofs, including leadwork, slating and…

    ApprovedDischarge of conditions26/00712/ADFULL
  2. 2026
    6 Feb

    Details of privacy screen and detailed drawings/schedules/samples of works to fit glazing bars to retained…

    ApprovedDischarge of conditions26/00713/ADFULL
  3. 2026
    4 Feb

    Details of works to roofs, including leadwork, slating and retention of slate coping to rear vaulted roof…

    ApprovedListed building consent26/00654/ADLBC
  4. 2025
    18 Jul

    15 Upper Wimpole Street - S.73 Resubmission

    RefusedVariation of conditions (s73)25/05015/FULL
  5. 2025
    18 Jul

    Infilling of courtyard between the main house and mews house at basement and ground level, installation of…

    RefusedListed building consent25/05010/LBC
  6. 2025
    6 Jun

    Details of Code of Construction Practice pursuant to condition 10 of planning permission dated 3rd June 2025…

    ApprovedDischarge of conditions25/03868/ADFULL

Source: Westminster

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

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