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Planning application

Ground Floor And First Floor 11 Devonshire Place London W1G 6HT

Granted Westminster 23/03449/FULL Full Planning Permission Application

Works: Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Installation of air conditioning units to the rear courtyard; renewal of M&E services and internal AC units, fire protection measures to doors, floors and walls; replacement of existing modern doors with fire resistant doors; removal of non-original partitioning, new bathrooms, shower room and kitchen including lowered ceilings; draft proofing to existing windows and installation of secondary glazing; and enclosing the existing lift within glazed cladding. (Linked with 23/03450/LBC)

As published by the council, reference 23/03449/FULL

Application record

Reference
23/03449/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Application Permitted
Received
23 May 2023
Validated
30 May 2023
Decided
17 Jul 2023
Ward
Marylebone
Decision by
Delegated Decision
Postcode
W1G 6HT

Timeline

Dates from the published record

  1. 23 May 2023

    Received by Westminster

  2. 30 May 2023

    Validated

    Checked as complete and ready for consideration.

  3. 17 Jul 2023

    Decision issued: Application Permitted

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file

20 applications on PlanIndex · 94% granted

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Documents

Plans, drawings, consultee responses and the officer's report

24 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Westminster granted permission on 17 July 2023, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • Second Floor Flat 11 Devonshire Place London W1G 6HT

    23/00311/ADLBC Submitted 18 Jan 2023 0m away

    Details of secondary glazing, skirtings, cornices, architraves and amended reflected ceiling plans showing areas of ceiling to be replaced/repaired pursuant to conditions 4 and 6 of listed building consent dated 20 December 2022 (RN: 22/07393/LBC)

    Granted Conditions Windows or glazing 12 docs
  • 11 Devonshire Place London W1G 6HT

    10/07951/LBC Submitted 16 Sep 2010 0m away

    Internal alterations at first floor level.

    Granted Heritage and listed buildings 9 docs
  • 14 Devonshire Mews West London W1G 6QE

    26/01055/FULL Submitted 18 Feb 2026 24m away

    87% historically approved · decision due ~15 Apr

    The replacement of an existing full-width, half-depth rear kitchen/diner extension and the replacement of metal roller shutter garage door to the front with a timber garage door.

    Awaiting decision Full applications Extension 25 docs
  • 33 Devonshire Mews West London W1G 6QF

    26/03461/ADFULL Submitted 27 May 2026 27m away

    87% historically approved · decision due ~29 Jul

    Details of sample of clear glass / sample of obscure glass for privacy screen pursuant to conditions 9 and 10 of planning permission dated 08 August 2023 (RN: 23/03331/FULL)

    Awaiting decision Full applications 5 docs
  • 33 Devonshire Mews West London W1G 6QF

    26/03460/ADFULL Submitted 27 May 2026 27m away

    87% historically approved · decision due ~22 Jul

    Details of waste and recycling storage / sample of natural slate for roof pursuant to conditions 3 and 8 of planning permission dated 08 August 2023 (RN: 23/03331/FULL)

    Awaiting decision Full applications 5 docs
  • 32 Devonshire Mews West London W1G 6QF

    26/03945/FULL Submitted 16 Jun 2026 27m away

    87% historically approved · decision due ~11 Aug

    New external render to the front elevation.

    Awaiting decision Full applications

In Westminster

  • 26/06024/FULL Awaiting decision

    House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

    Installation of new and replacement electronic equipment within Speaker. (Linked with 26/06025/LBC)

    3 Sep 2026 Full applications
  • 26/06017/FULL Awaiting decision

    38 Lauderdale Mansions Lauderdale Road London W9 1NE

    Installation of an external AC Unit / Heat Pump at roof level.

    2 Sep 2026 Full applications
  • 26/05938/FULL Awaiting decision

    24 Vincent Square London SW1P 2NJ

    Subdivision of existing residential property to create two self-contained 3-bedroom family homes, along with cycle parking and associated external alterations.

    1 Sep 2026 Full applications
  • 26/05935/FULL Awaiting decision

    47 Hereford Road London W2 5AH

    Installation of one number new external condenser unit to the southerly elevation service alley.

    1 Sep 2026 Full applications
  • 26/05959/FULL Awaiting decision

    Basement And Ground Floor 50 New Bond Street London W1S 1BJ

    Installation of three new condensers on the roof, within an existing designated plant area.

    1 Sep 2026 Full applications