Planning application
23 Montagu Square London W1H 2LF
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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).
As published by the council, reference 25/07097/ADFULL
Application record
- Reference
- 25/07097/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 2 Oct 2025
- Validated
- 2 Oct 2025
- Decided
- 18 Feb 2026
- Ward
- Marylebone
- Decision by
- Delegated Decision
- 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.
-
26/02616/ADFULL Awaiting decision
23 Montagu Square London W1H 2LF
Submission of a post-commissioning noise survey pursuant to Condition 7 of planning permission dated 26th February 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
-
2 Oct 2025
Received by Westminster
-
18 Feb 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
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
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
10 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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Open the documentsWhat this grant of permission means
Westminster granted permission on 18 February 2026, 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.
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23 Montagu Square London W1H 2LF
88% historically approved · decision due ~16 Jun
Submission of a post-commissioning noise survey pursuant to Condition 7 of planning permission dated 26th February 2025 (RN: 25/01296/FULL).
Awaiting decision Full applications 4 docs -
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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).
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