The Westbury Hotel 37 Conduit Street London W1S 2YF

This site has had 16 applications since 2022: 7 approved, 2 refused.

• 26/05770/ADFULL Awaiting decision

  The Westbury Hotel 37 Conduit Street London W1S 2YF

  Details of a supplementary acoustic report pursuant to condition 7 of Planning Permission dated 25th February 2025 (RN:24/08569).

  Submitted 24 Aug 2026
• 26/05771/ADFULL Awaiting decision

  The Westbury Hotel 37 Conduit Street London W1S 2YF

  Details of a supplementary acoustic report pursuant to condition 7 of planning permission dated 24th June 2026 (RN:26/01630/FULL).

  Submitted 24 Aug 2026
• 26/02090/ADFULL Awaiting decision

  The Westbury Hotel 37 Conduit Street London W1S 2YF

  Details of windows and the metal and stone framework pursuant to Condition 15 of planning permission dated 15/11/2024 (RN: 24/02402/FULL)

  Submitted 30 Mar 2026 Full applications
• 26/01630/FULL Awaiting decision

  The Westbury Hotel 37 Conduit Street London W1S 2YF

  Variation of Condition 18 of planning permission dated 15th November 2024 (RN 24/02402/FULL) for: Excavation of extension to provide a second basement level, demolition and re-build of the 6th and 7th floors and extension to form new 8th floor, erection of rear extension from ground to new 8th floor level, all to enlarge existing hotel (Class C1). External alterations including alterations to the appearance of the existing facades namely, to amend the wording of Condition 18 to require that prior to occupation, a contribution be made to the Historic England Records enhancement project by way of inputting new data for the Civil War Defences for the 41 identified sites surrounding Westbury Hotel as identified within the search area of the WSI Addendum dated 04/02/2026.

  Submitted 12 Mar 2026 Full applications
• 26/00922/ADFULL Awaiting decision

  The Westbury Hotel 37 Conduit Street London W1S 2YF

  Details of Public Art pursuant to Condition 19 of planning permission dated 15/11/2024 (RN: 24/02402/FULL)

  Submitted 13 Feb 2026 Full applications
• 26/00722/NMA Granted

  The Westbury Hotel 37 Conduit Street London W1S 2YF

  Amendments to planning permission dated 25 February 2025 (RN: 24/08569/FULL ) for External alterations including the installation of a plant tower at 1st to 4th floor level (with an external stair) within the north-eastern lightwell, installation of plant within a louvred enclosures at rear 1st floor level, installation of plant and associated louvred enclosures (with photovoltaics above) together with associated pipework and ducting, automatic opening vents and smoke extractors above at main roof level (9th floor) and to the roof of the 9th floor accommodation and installation of 3no. satellite dishes at main roof level (9th floor). NAMELY, to remove GRP enclosure on the roof of the 9th floor and replace with switchboard.

  Decided 9 Mar 2026 Amendments
• 26/00721/NMA Granted

  The Westbury Hotel 37 Conduit Street London W1S 2YF

  Amendments to planning permission dated 29 November 2024 (RN: 24/06866/FULL) for Erection of a ninth floor extension with terraces accessible from the new accommodation. Erection of a fire escape stair/hatch and installation of railing to fire escape route at ninth floor level. Installation of photovoltaics to ninth floor and to the roof of additional accommodation. All in connection with the enlargement and retrofit of the existing hotel (Class C1). NAMELY, to alter the approved balustrade around the roof terrace from metal to glass, alter access point to terrace

  Decided 12 Mar 2026 Amendments
• 26/00720/ADV Granted

  The Westbury Hotel 37 Conduit Street London W1S 2YF

  Display of 1x flag with branding over entrance canopy measuring 0.91m x 1.83, 1x internally illuminated (LED edge) fascia sign measuring 1.2m x 0.27m and two non-illuminated entrance signs measuring 0.47m x 0.7m and 0.42m x 0.42m

  Decided 18 Mar 2026 Advertising
• 26/00419/ADFULL Awaiting decision

  The Westbury Hotel 37 Conduit Street London W1S 2YF

  Details of Service Management Plan; Pursuant to condition 16 of planning permission dated 07 October 2024 (RN: 24/02402/FULL)

  Submitted 23 Jan 2026 Full applications
• 26/00182/FULL Granted

  The Westbury Hotel 37 Conduit Street London W1S 2YF

  Installation of a safety guard rail on the eigth floor roof level and the installation of plant within the rear lightwell at second and third floor levels.

  Decided 1 May 2026 Full applications

1. 30 Mar 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 25 May 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 66 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 91 days. More in our guide to how long planning decisions take.

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.

• The Westbury Hotel 37 Conduit Street London W1S 2YF

  26/05770/ADFULL Submitted 24 Aug 2026 50 yards away

  89% historically approved · decision due ~19 Oct

  Details of a supplementary acoustic report pursuant to condition 7 of Planning Permission dated 25th February 2025 (RN:24/08569).

  Awaiting decision

• The Westbury Hotel 37 Conduit Street London W1S 2YF

  26/01630/FULL Submitted 12 Mar 2026 50 yards away

  87% historically approved · decision due ~7 May

  Variation of Condition 18 of planning permission dated 15th November 2024 (RN 24/02402/FULL) for: Excavation of extension to provide a second basement level, demolition and re-build of the 6th and 7th floors and extension to form new 8th floor, erection of rear extension from ground to new 8th floor level, all to enlarge existing hotel (Class C1). External alterations including alterations to the appearance of the existing facades namely, to amend the wording of Condition 18 to require that prior to occupation, a contribution be made to the Historic England Records enhancement project by way of inputting new data for the Civil War Defences for the 41 identified sites surrounding Westbury Hotel as identified within the search area of the WSI Addendum dated 04/02/2026.

  Awaiting decision Full applications Extension Demolition 6 docs

• The Westbury Hotel 37 Conduit Street London W1S 2YF

  22/04725/ADFULL Submitted 14 Jul 2022 50 yards away

  Details of all new windows and metal and stone framework pursuant to Condition 15 (1 & 2) of planning permission dated 09 March 2020 (RN:19/04899/FULL)

  Granted Full applications Windows or glazing 29 docs

• The Westbury Hotel 37 Conduit Street London W1S 2YF

  26/02090/ADFULL Submitted 30 Mar 2026 50 yards away

  87% historically approved · decision due ~25 May

  Details of windows and the metal and stone framework pursuant to Condition 15 of planning permission dated 15/11/2024 (RN: 24/02402/FULL)

  Awaiting decision Full applications Windows or glazing 8 docs

• The Westbury Hotel 37 Conduit Street London W1S 2YF

  26/00419/ADFULL Submitted 23 Jan 2026 50 yards away

  87% historically approved · decision due ~20 Mar

  Details of Service Management Plan; Pursuant to condition 16 of planning permission dated 07 October 2024 (RN: 24/02402/FULL)

  Awaiting decision Full applications 1 doc

• The Westbury Hotel 37 Conduit Street London W1S 2YF

  25/08493/ADFULL Submitted 20 Nov 2025 50 yards away

  Details of supplementary acoustic report pursuant to Condition 7 and fixing of the background noise level pursuant to Condition 5 of planning permission dated 25 February 2025 (RN: 24/08569/FULL).

  Refused Full applications 5 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  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 replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications