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50 Berkeley Street London W1J 8HA

23/08344/NMANon-material amendmentsRefused
Discharge / amendments

Refused on 18 January 2024

Council decision: Application RefusedDelegated (officer decision)

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

Amendments to planning permission dated 01 December 2021 (RN: 20/06093/FULL) for, 'Erection of two 2 storey infill extensions to the set-back corners at fifth floor level on the Berkeley Street/Mayfair Place elevation and Berkeley Street/Stratton Street elevation, the demolition of the existing mansard roof and its replacement with a single sheer storey (to match the lower floors) on the Mayfair Place elevation and Stratton Street elevation, erection of an additional set back floor at eighth floor level, plus roof top plant room. Associated external alterations, including to existing ground floor entrances, and alterations to the existing plant/ducts. Use of basement (part), ground (part) and 1st to 8th floor as offices (Class E)'; Namely, ground floor level: elevational amends to existing openings, seventh floor level: elevational changes to glazed openings, eighth floor: elevational changes to glazed openings; amends to secondary core area facades, roof level: amendments to atria glazed roofs and plant screen details and amendments to basement end-of-trip facilities layout and amendments to the wording of Condition 14.

Received
2 December 2023
Decision level
Delegated (officer decision)
Ward
West End
Agent
CBRE Ltd
  1. Received2 Dec
  2. Validated2 Dec
  3. Consult.
  4. Target30 Dec
  5. Decided18 Jan

Decided in 47 days (council typically 49)

About this application

This is an application to amend a permission at 50 Berkeley Street London W1J 8HA. Westminster has handled 604 applications of this type. This one was decided in 47 days. The site is in the Mayfair conservation area, with 12 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 940 applications in total for the W1J postcode area.

88% of amendment 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.Planning something similar? See what gets approved on your street

Application details

Postcode
W1J 8HA
Application type
Non-material amendments
Scale / size
Small

Planning application dates

Date validated
2 December 2023
Target decision date
30 December 2023

Applicant and agent

Agent
CBRE Ltd
Agent address
Henrietta House Henrietta Place London W1G 0NB

Planning decision

Statutory period
28 days

Additional information

Planning Portal ID
PP-12603522
Comments
0
Documents
34

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • 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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