103 - 105 Jermyn Street London SW1Y 6EE
Approved on 2 April 2026
Council decision: Application PermittedDelegated (officer decision)
Proposal
Variation of condition 1 of planning permission dated 21st August 2024 (RN: 24/02152/FULL) (as amended by RN's: 24/08276/NMA, 24/08342/NMA, 25/02403/NMA & 25/07936/NMA) for Alterations and extensions including the erection of an additional storey at roof level with a terrace, lift overrun and plant enclosure, extensions at rear second to sixth floor level, alterations to Apple Yard Elevation treatment including addition of balconies and terraces, new façade treatment onto Jermyn Street Elevation, front terraces at fifth and sixth floor, partial excavation at lower ground level, all in association with the provision of additional Class E floorspace. NAMELY, amendments to allow re-addition of smaller, previously consented balconies at 2nd and 3rd floors; amendments to the location of rainwater pipes; internal core alterations; addition of a window to the stair core at 7th floor level; addition of a pergola at roof level; and addition of new balconies to the rear elevation at 2nd and 3rd floors.
- Received
- 19 January 2026
- Decision level
- Delegated (officer decision)
- Council
- City of Westminster
- Ward
- St James's
- ReceivedReceived19 Jan
- ValidatedValidated19 Jan
- Consult.Consultation
- TargetTarget Date16 Mar
- DecidedDecided2 Apr
Decided in 73 days (council typically 49)
About this application
This is a full planning application for an extension at 103 - 105 Jermyn Street London SW1Y 6EE. Westminster has handled 4,484 applications of this type. This one was decided in 73 days, 3 weeks longer than Westminster's typical decision time. The site is in the St James's conservation area, with 20 listed buildings nearby. There have been 7 other applications at this address. In the past year there have been 478 applications across St James's. We hold 969 applications in total for the SW1Y 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
- SW1Y 6EE
- Application type
- Full Planning Permission Application
- Scale / size
- Small
Planning application dates
- Date validated
- 19 January 2026
- Consultation expiry
- 1 April 2026
- Target decision date
- 16 March 2026
Applicant and agent
- Agent
- Savills
- Agent address
- 33 Margaret Street London W1G 0JD United Kingdom
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 11 March 2026
- Advertisement expiry
- 1 April 2026
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: St James's
- 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
- 202621 Jan
Detailed drawings of office entrance and shopfront pursuant to Condition 5 of planning permission dated 21…
ApprovedDischarge of conditions26/00349/ADFULL - 202619 Jan
Variation of condition 1 of planning permission dated 21st August 2024 (RN: 24/02152/FULL
This applicationApprovedVariation of conditions (s73)26/00281/FULL - 202531 Oct
Amendments to planning permission dated 22 August 2024 (RN: 24/02152/FULL
ApprovedNon-material amendmentPart of25/07936/NMA - 20257 Oct
Details of facing materials pursuant to condition 4 of planning permission dated 22 August 2024 (RN…
ApprovedDischarge of conditions25/07243/ADFULL - 202523 Sep
Amendments to planning permission dated 21st August 2024 (RN 24/02152/FULL
RefusedNon-material amendmentAmendment25/06829/NMA - 202523 Jul
Details of signed Appendix A pursuant to condition 21 of planning permission dated 22 August 2024 (RN…
ApprovedAll OtherRelated25/05118/ADFULL - 20259 Apr
Detailed drawings of the new office entrance and the shopfronts to Jermyn Street pursuant to Condition 5 of…
ApprovedDischarge of conditions25/02222/ADFULL - 20258 Apr
Amendments to planning permission dated 22 August 2024 (RN:24/02152/FULL
ApprovedNon-material amendmentPart of25/02403/NMA - 20257 Apr
Details of facing materials pursuant to condition 4 of planning permission dated 22 August 2024 (RN…
ApprovedDischarge of conditions25/02345/ADFULL - 20252 Apr
Details of a scheme of public art pursuant to Condition 7 of planning permission dated 22nd August 2024 (RN…
ApprovedDischarge of conditions25/02227/ADFULL - 202429 Nov
Amendments to planning permission dated 22nd August 2024 (RN:24/02152/FULL
PendingNon-material amendmentPart of24/08342/NMA - 20242 Apr
RECONSULTATION: Amendments to proposed roof terrace and balconies, facades and Daylight & Sunlight…
PendingFull Planning Permission ApplicationPart of24/02152/FULL
Planning history at this site
5 other applications at this property, newest first.
- 202522 Oct
Registering additional address for ground and basement floor commercial unit. Address as 105A Jermyn Street…
PendingAll OtherSNN25/00075 - 201723 Nov
Installation of highway lighting to the front facade of 105 Jermyn Street.
WithdrawnFull Planning Permission Application17/10436/FULL - 200411 Oct
Installation of satellite dish at roof level.
ApprovedApplication for full Planning Permission04/08016/FULL - 200231 Oct
Alterations to the Jermyn Street entrance.
ApprovedFull Planning Permission Application02/08372/FULL - 20028 Jul
Installation of replacement air conditioning equipment at roof level, comprising 12 air conditioning units…
ApprovedFull Planning Permission Application02/05167/FULL
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
- 103 - 105 Jermyn Street London SW1Y 6EE25/07936/NMA · AmendmentApproved0.0 mi
- 103 - 105 Jermyn Street London SW1Y 6EE25/06829/NMA · AmendmentRefused0.0 mi
- 103 - 105 Jermyn Street London SW1Y 6EE26/00349/ADFULL · ConditionsApproved0.0 mi
- 103-105 Jermyn Street London SW1Y 6EE17/10436/FULL · FullWithdrawn0.0 mi
- 103-105 Jermyn Street London SW1Y 6EE24/02152/FULL · FullAwaiting decision0.0 mi
For applicants and trades
Consultants on this application
- Savills (UK) Ltd · Agent for this application
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing0.2 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman1.1 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.8 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.8 mi
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