Devonshire House Mayfair Place London W1J 8AJ
Approved on 18 December 2017
Council decision: Application PermittedDelegated (officer decision)
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
Installation of one air conditioning unit at roof level.
- Received
- 20 September 2017
- Decision level
- Delegated (officer decision)
- Council
- City of Westminster
- Ward
- West End
- ReceivedReceived20 Sep
- ValidatedValidated13 Oct
- Consult.Consultation
- TargetTarget Date8 Dec
- DecidedDecided18 Dec
Decided in 66 days (council typically 49)
About this application
This is a full planning application at Devonshire House Mayfair Place London W1J 8AJ. Westminster has handled 4,484 applications of this type. This one was decided in 89 days, 6 weeks longer than Westminster's typical decision time. The site is in the Mayfair conservation area, with 9 listed buildings nearby. There have been 11 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.
86% of full 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 8AJ
- Application type
- Application for full Planning Permission
- Scale / size
- Small
Planning application dates
- Date validated
- 13 October 2017
- Consultation expiry
- 17 November 2017
- Target decision date
- 8 December 2017
Applicant and agent
- Agent
- Oktra
- Agent address
- 322 High Holborn London WC1V 7PB
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 27 October 2017
- Advertisement expiry
- 17 November 2017
- Site notice start
- 18 October 2017
- Site notice end
- 8 November 2017
Site constraints
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 (21)
flood storage areas, 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.
Associated applications
- 201720 Sep
Installation of one air conditioning unit at roof level.
This applicationApprovedFull17/08450/FULL - 201720 Sep
Installation of one air conditioning unit at roof level.
ApprovedListed building consentFiled alongside17/08451/LBC
Planning history at this site
20 other applications at this property, newest first.
- 202616 Jun
Details of facing materials pursuant to condition 3 of listed building consent dated 19 May 2026 (RN…
ApprovedListed building consent26/03963/ADLBC - 20255 Dec
Replacement of existing terrace paving, strip lighting and exit signage as well as alterations to the…
ApprovedListed building consent25/08851/LBC - 202521 Jul
Detailed drawings of the new doors pursuant to Condition 2 of listed building consent dated 13th February…
ApprovedListed building consent25/05178/ADLBC - 202521 Jul
Detailed drawings of the new doors pursuant to condition 6 of planning permission dated 13th February 2025…
ApprovedAll Other25/05061/ADFULL - 202525 Jun
Installation of two replacement external ATM machines, and associated surround signage. (Linked with…
ApprovedFull planning permission25/04342/FULL - 202525 Jun
Display of non illuminated ATM surround signage measuring 1.76m x 2.13m. (Linked with 25/04213/LBC
ApprovedAdvertisement consent25/04215/ADV - 202525 Jun
Installation of two replacement external ATM machines, and associated surround signage. (Linked with…
ApprovedListed building consent25/04213/LBC - 20248 Feb
Details of new doors pursuant to Condition 4 of listed building consent dated 18 July 2023 (RN:23/03663/LBC
ApprovedListed building consent24/00836/ADLBC - 20248 Feb
Details of new doors pursuant to Condition 4 of planning permission dated 18 July 2023 (RN:23/03662/FULL
ApprovedDischarge of conditions24/00814/ADFULL - 202321 Dec
Removal of the external left hand ATM machine to be replaced with a Smart ATM. (Linked with 23/08878/LBC
PendingFull Planning Permission Application23/08877/FULL - 202321 Dec
Removal of the external left hand ATM machine to be replaced with a Smart ATM. (Linked with 23/08877/FULL
ApprovedListed building consent23/08878/LBC - 202213 Apr
Installation of new plant at main roof level.
ApprovedListed building consent22/02521/LBC - 202213 Apr
Installation of new plant at main roof level.
ApprovedApplication for full Planning Permission22/02520/FULL - 20177 Nov
Internal alterations including removal and addition of partitions.
ApprovedListed building consent17/09886/LBC - 201727 Oct
Installation of low level LED lighting within the existing terrace decking at tenth floor level behind the…
ApprovedListed building consent17/09548/LBC - 20171 Sep
Display of three non-illuminated vinyl signs on windows measuring 4.12m x 2.29m; 3.79m x 2.28m and 3.79m x…
ApprovedAdvertisement consent17/07866/ADV - 201716 Aug
Internal alterations at 8th floor level including creation of a glazed cellular meeting rooms, offices and…
ApprovedListed building consent17/07375/LBC - 201516 Oct
Installation of illuminated advertising to Piccadilly and Stratton Street elevations.
ApprovedListed building consent15/09674/LBC - 201529 Sep
Cleaning of Piccadilly, Stratton Street, Berkeley Street and Mayfair Place elevations using facade gommage.
ApprovedListed building consent15/09093/LBC - 20073 Jan
Erection of telecommunication equipment to lampost.
ApprovedApplic. to determine telecom. equipment07/00198/TELCOM
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- Devonshire House Mayfair Place London W1J 8AJ22/02521/LBC · HeritageApproved0.0 mi
- Devonshire House Mayfair Place London W1J 8AJ22/02520/FULL · FullApproved0.0 mi
- Devonshire House Mayfair Place London W1J 8AJ17/08451/LBC · HeritageApproved0.0 mi
- Devonshire House Mayfair Place London W1J 8AJ17/07375/LBC · HeritageApproved0.0 mi
- Devonshire House Mayfair Place London W1J 8AJ25/08851/LBC · HeritageApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for roofing near this site- Avent Roofing ServicesVerifiedWestminsterRoofing0.1 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman1.2 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.1 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.8 mi
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