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103 - 105 Jermyn Street London SW1Y 6EE

26/00281/FULLFull Planning Permission ApplicationApproved
Full

Approved on 2 April 2026

Council decision: Application PermittedDelegated (officer decision)

Site boundary (council red line)

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)
Ward
St James's
  1. Received19 Jan
  2. Validated19 Jan
  3. Consult.
  4. Target16 Mar
  5. Decided2 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

Additional information

Planning Portal ID
PP-14537896
Comments
0
Documents
29

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: St James's
  • Listed building: Grade II: 106, Jermyn Street Sw1On 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 (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

  1. 2026
    21 Jan

    Detailed drawings of office entrance and shopfront pursuant to Condition 5 of planning permission dated 21…

    ApprovedDischarge of conditions26/00349/ADFULL
  2. 2026
    19 Jan

    Variation of condition 1 of planning permission dated 21st August 2024 (RN: 24/02152/FULL

    This applicationApprovedVariation of conditions (s73)26/00281/FULL
  3. 2025
    31 Oct

    Amendments to planning permission dated 22 August 2024 (RN: 24/02152/FULL

    ApprovedNon-material amendmentPart of25/07936/NMA
  4. 2025
    7 Oct

    Details of facing materials pursuant to condition 4 of planning permission dated 22 August 2024 (RN…

    ApprovedDischarge of conditions25/07243/ADFULL
  5. 2025
    23 Sep

    Amendments to planning permission dated 21st August 2024 (RN 24/02152/FULL

    RefusedNon-material amendmentAmendment25/06829/NMA
  6. 2025
    23 Jul

    Details of signed Appendix A pursuant to condition 21 of planning permission dated 22 August 2024 (RN…

    ApprovedAll OtherRelated25/05118/ADFULL
  7. 2025
    9 Apr

    Detailed drawings of the new office entrance and the shopfronts to Jermyn Street pursuant to Condition 5 of…

    ApprovedDischarge of conditions25/02222/ADFULL
  8. 2025
    8 Apr

    Amendments to planning permission dated 22 August 2024 (RN:24/02152/FULL

    ApprovedNon-material amendmentPart of25/02403/NMA
  9. 2025
    7 Apr

    Details of facing materials pursuant to condition 4 of planning permission dated 22 August 2024 (RN…

    ApprovedDischarge of conditions25/02345/ADFULL
  10. 2025
    2 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
  11. 2024
    29 Nov

    Amendments to planning permission dated 22nd August 2024 (RN:24/02152/FULL

    PendingNon-material amendmentPart of24/08342/NMA
  12. 2024
    2 Apr

    RECONSULTATION: Amendments to proposed roof terrace and balconies, facades and Daylight & Sunlight…

    PendingFull Planning Permission ApplicationPart of24/02152/FULL

Source: Westminster

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

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