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Planning application

1 Cavendish Square London W1G 0LA

Granted Westminster 25/04626/FULL Full Planning Permission Application

Relates to 25/04627/LBC

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

Proposal

Installation of surface mounted uplighters and associated alterations on the Margaret Street elevation of the building. (Linked with 25/04627/LBC and 25/04625/ADV).

As published by the council, reference 25/04626/FULL

Application record

Reference
25/04626/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
4 Jul 2025
Validated
4 Jul 2025
Decided
16 Sep 2025
Ward
West End
Decision by
Delegated Decision
Postcode
W1G 0LA

Site history

Applications at this address on the Westminster register

This site has had 6 applications since 2025: 6 approved, 0 refused.

  • 26/00756/ADV Granted

    1 Cavendish Square London W1G 0LA

    Display of 1x non-illuminated surface mounted low level sign adjacent to the entrance door measuring 1.2m x 0.9m 1x halo illuminated fascia sign measuring 2.2m x 0.65m and two internally illuminated hanging signs measuring 1m x 0.8m

    Decided 29 Apr 2026 Advertising
  • 25/07814/LBC Granted

    1 Cavendish Square London W1G 0LA

    Installation of fibre optic cables along the lightwell street wall in existing tray work into basement comms room.

    Decided 19 Feb 2026 Heritage and listed buildings
  • 25/06203/FULL Granted

    1 Cavendish Square London W1G 0LA

    Variation of Condition 13 of planning permission dated 20th April 2023 (RN: 22/07690/FULL) for the Opening up to basement areas, lowering of floor in pavement vaults and corridors to increase the useable space, additional opening up to eastern ground floor area, forming of services voids to accommodate plant and equipment, reopening of existing skylight apertures to existing pitched roof for ventilation of services, alterations to eastern facade to accommodate a new plant deck, WC accommodation and small terrace, in -connection with the use of building as a restaurant/drinking establishment (Sui Generis) namely, to extend hours of opening. Application under S73 of the Act

    Decided 27 Oct 2025 Full applications
  • 25/05570/ADLBC Granted

    1 Cavendish Square London W1G 0LA

    Details of new windows and roof lights pursuant to Condition 5(B) PART of Listed Building Consent dated 03 September 2024 (RN23/08101/LBC)

    Decided 4 Nov 2025 Conditions
  • 25/04627/LBC Granted

    1 Cavendish Square London W1G 0LA

    Installation of surface mounted uplighters and associated alterations on the Margaret Street elevation of the building. (Linked with 25/04627/LBC and 25/04625/ADV).

    Decided 16 Sep 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 4 Jul 2025

    Received by Westminster

  2. 16 Sep 2025

    Decision issued: Application Permitted

  3. 29 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/04627/LBC Granted

    1 Cavendish Square London W1G 0LA

    Installation of surface mounted uplighters and associated alterations on the Margaret Street elevation of the building. (Linked with 25/04627/LBC and 25/04625/ADV).

    Decided 16 Sep 2025 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Newmark LLP Agent

921 applications on PlanIndex · across 40 councils · 97% granted

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Documents

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

20 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 16 September 2025, 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 0.3 miles

  • 1 Cavendish Square London W1G 0LA

    25/04627/LBC Submitted 4 Jul 2025 50 yards away

    Installation of surface mounted uplighters and associated alterations on the Margaret Street elevation of the building. (Linked with 25/04627/LBC and 25/04625/ADV).

    Granted Heritage and listed buildings 16 docs

  • 1 Cavendish Square London W1G 0LA

    25/06203/FULL Submitted 1 Sep 2025 50 yards away

    Variation of Condition 13 of planning permission dated 20th April 2023 (RN: 22/07690/FULL) for the Opening up to basement areas, lowering of floor in pavement vaults and corridors to increase the useable space, additional opening up to eastern ground floor area, forming of services voids to accommodate plant and equipment, reopening of existing skylight apertures to existing pitched roof for ventilation of services, alterations to eastern facade to accommodate a new plant deck, WC accommodation and small terrace, in -connection with the use of building as a restaurant/drinking establishment (Sui Generis) namely, to extend hours of opening. Application under S73 of the Act

    Granted Full applications 19 docs

  • 1 Cavendish Square London W1G 0LA

    25/07814/LBC Submitted 28 Oct 2025 50 yards away

    Installation of fibre optic cables along the lightwell street wall in existing tray work into basement comms room.

    Granted Heritage and listed buildings 9 docs

  • 1 Cavendish Square London W1G 0LA

    26/00756/ADV Submitted 9 Feb 2026 50 yards away

    Display of 1x non-illuminated surface mounted low level sign adjacent to the entrance door measuring 1.2m x 0.9m 1x halo illuminated fascia sign measuring 2.2m x 0.65m and two internally illuminated hanging signs measuring 1m x 0.8m

    Granted Advertising 12 docs

  • 1 Cavendish Square London W1G 0LA

    25/05570/ADLBC Submitted 8 Aug 2025 50 yards away

    Details of new windows and roof lights pursuant to Condition 5(B) PART of Listed Building Consent dated 03 September 2024 (RN23/08101/LBC)

    Granted Conditions Loft or dormer Windows or glazing 7 docs

  • Fourth Floor 2 Cavendish Square London W1G 0PU

    26/05967/LBC Submitted 1 Sep 2026 50 yards away

    90% historically approved · decision due ~3 Nov

    Installation of internal secondary glazing to the 4th-floor windows, with internal reversible, non-destructive fixings into the window reveals, and slimline units to maintain background ventilation and prevent interstitial condensation.

    Awaiting decision Heritage and listed buildings Windows or glazing

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06222/FULL Awaiting decision

    42 - 49 St Martin's Lane London WC2N 4EJ

    Entrance alterations, illuminated fascia sign to St Martins Lane entrance and glazed openings for digital signage

    Received 11 Sep, published by the council 21 Sep 2026 Full applications
  • 26/06234/FULL Awaiting decision

    40 Grosvenor Place London SW1X 7HJ

    Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/06249/FULL Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

    Received 11 Sep, published by the council 18 Sep 2026 Full applications