Planning application
23 Montagu Square London W1H 2LF
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Submission of a post-commissioning noise survey pursuant to Condition 7 of planning permission dated 26th February 2025 (RN: 25/01296/FULL).
As published by the council, reference 26/02616/ADFULL
Application record
- Reference
- 26/02616/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Pending
- Received
- 21 Apr 2026
- Validated
- 21 Apr 2026
- Ward
- Marylebone
- Postcode
- W1H 2LF
Site history
Applications at this address on the Westminster register
This site has had 3 applications since 2025: 2 approved, 0 refused.
-
25/07097/ADFULL Granted
23 Montagu Square London W1H 2LF
Details of acoustic enclosure to new mechanical plant at roof level (including detailed drawings and specification of colour and materials) pursuant to Condition 6 of planning permission dated 7th May 2025 (RN:25/01296/FULL).
-
25/07093/ADLBC Granted
23 Montagu Square London W1H 2LF
Details of acoustic enclosure to new mechanical plant at roof level (including detailed drawings and specification of colour and materials) pursuant to Condition 3 of listed building consent dated 7th May 2025 (RN:25/01297/LBC).
Timeline
Dates from the published record
-
21 Apr 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 16 June 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 91 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Savills Limited Agent, registered in London
Active · incorporated 1987 · London
2,475 applications on PlanIndex · across 194 councils · 92% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
4 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
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 119 days. More in our guide to how long planning decisions take.
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
-
23 Montagu Square London W1H 2LF
Details of acoustic enclosure to new mechanical plant at roof level (including detailed drawings and specification of colour and materials) pursuant to Condition 6 of planning permission dated 7th May 2025 (RN:25/01296/FULL).
Granted Full applications 10 docs -
23 Montagu Square London W1H 2LF
Details of acoustic enclosure to new mechanical plant at roof level (including detailed drawings and specification of colour and materials) pursuant to Condition 3 of listed building consent dated 7th May 2025 (RN:25/01297/LBC).
Granted Conditions 10 docs -
48 Gloucester Place Mews London W1U 8BD
88% historically approved · decision due ~25 Jun
Refurbishment and reconfiguration of existing mews dwelling including internal alterations, front elevation alterations, roof alterations, replacement windows and associated works.
Awaiting decision Full applications Roofing Windows or glazing 23 docsDomestic -
48 Gloucester Place Mews London W1U 8BD
89% historically approved · decision due ~8 Oct
Details of amended design of carriage doors to the left-hand ground-floor opening; sash window with sidelights and infill beneath, to the right-hand ground-floor opening; upgrading of the existing front sash windows to accommodate double glazing (and methodology statement); conservation rooflights; and casement windows pursuant to Condition 5 of planning permission dated 24 July 2026 (26/02870/FULL).
Decided Extension Loft or dormer +1 -
Montagu Court 27-29 Montagu Square London W1H 2LG
Installation of 6no. antennas, 1no. 300mm dish and 1no. 600mm dish and 3no. cabinets on the roof of the building within a GRP shroud and development ancillary thereto.
Refused Telecoms 30 docs -
Centre Gardens Montagu Square London W1H 2LA
7 x London Plane: (T4, T19, T20, T21, T68, T73): Prune back from building side by up to 2m. Portuguese Laurel (T14): Reduce lateral growth by up to 2m and height by up to 1m. Plum/Ash (T24/T25): Prune each tree to create approx. 1m separation. Plum (T39): Reduce by approx. 1.5 - 2.5m over lawn. Bay (T45): Coppice. Elm (T71): Reduce lateral branches by 1-2m and shape.
Granted Trees 8 docs
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