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Development Site At 19 To 24 Dering Street London W1S 1BL

26/05064/ADFULLApproval of Details (Full PP)Approved
Discharge / amendments

Approved on 6 August 2026

Approximate location: the centre of the postcode, not the exact property.

Proposal

Detailed of uperstructure works, detailed plans and elevations of the roof, including the proposed equipment and the layout of photovoltaic (PV) panels pursuant to condition 29 of Planning Permission dated 18th October 2024 (RN:23/07483).

Received
28 July 2026
Ward
West End
  1. Received28 Jul
  2. Validated28 Jul
  3. Consult.
  4. Target22 Sep
  5. Decided6 Aug

Decided in 9 days (council typically 49)

About this application

This is an application to discharge conditions at Development Site At 19 To 24 Dering Street London W1S 1BL. Westminster has handled 3,063 applications of this type. This one was decided in 9 days, 6 weeks quicker than Westminster's typical decision time. The site is in the Mayfair conservation area, with 6 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 484 applications across West End. We hold 791 applications in total for the W1S postcode area.

92% of conditions 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
W1S 1BL
Application type
Approval of Details (Full PP)
Scale / size
Small

Planning application dates

Date validated
28 July 2026
Target decision date
22 September 2026

Applicant and agent

Agent
Newmark
Agent address
6 Mortimer Street London W1J 3TT

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-15051070
Comments
0
Documents
5

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Conservation area: Mayfair
  • 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.

Source: Westminster

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

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