Planning application
97 Mount Street London W1K 2TD
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Details of roof terrace railings pursuant to condition 6 of planning permission dated 14th October 2024 (RN: 24/01954/FULL)
As published by the council, reference 25/09041/ADFULL
Application record
- Reference
- 25/09041/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 15 Dec 2025
- Validated
- 15 Dec 2025
- Decided
- 21 Jan 2026
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1K 2TD
Site history
Applications at this address on the Westminster register
This site has had 11 applications since 2025: 7 approved, 0 refused.
-
26/04021/NMA Decided
97 Mount Street London W1K 2TD
Amendments to planning permission dated 14th October 2024 (RN 24/01954/FULL) for, "Installation of a new box rooflight (to provide access), creation of a terrace with glass balustrade and replacement of plant with new enclosure all at main roof level"; (Site includes 97 and 99 Mount Street) NAMELY, installation of railings with integrated gate at roof level to prevent access along the parapet party wall.
-
26/04016/LBC Decided
97 Mount Street London W1K 2TD
Installation of railings at roof level with an integrated gate.
-
26/00859/FULL Awaiting decision
97 Mount Street London W1K 2TD
Replacement of vault doors at lower-ground floor level and installation of roof breather vents beneath roof terrace decking (Linked to 26/00860/LBC)
-
26/00860/LBC Awaiting decision
97 Mount Street London W1K 2TD
Replacement of vault doors at lower-ground floor level and installation of roof breather vents beneath roof terrace decking. (Linked to 26/00859/FULL)
-
26/00136/ADFULL Granted
97 Mount Street London W1K 2TD
Details of new doors pursuant to condition 7 of listed building consent dated 14th October 2024 (RN: 24/01955/LBC).
-
25/09042/FULL Granted
97 Mount Street London W1K 2TD
Installation of dry riser inlet within existing grille.
-
25/08980/ADLBC Granted
97 Mount Street London W1K 2TD
Details of design of outlet valve cabinets pursuant to condition 3 of listed building consent dated 6 November 2025 (RN: 25/03472/LBC).
-
25/08826/ADLBC Granted
97 Mount Street London W1K 2TD
Details of roof terrace railings pursuant to condition 11 of listed building consent dated 14th October 2024 (RN: 24/01955/LBC)
-
25/05402/ADLBC Granted
97 Mount Street London W1K 2TD
Detailed drawings of the new secondary glazing, detailed drawings of the new doors, detailed method statement, including photographs, showing how each retained door will be upgraded for fire protection, including a plan to show where each retained door is located and detailed drawings of the roof terrace railings pursuant to conditions 6, 7, 8 and 11 of listed building consent dated 14th October 2024 (RN:24/01955/LBC)
-
25/03472/LBC Granted
97 Mount Street London W1K 2TD
Installation of dry riser system and associated works.
Timeline
Dates from the published record
-
15 Dec 2025
Received by Westminster
-
21 Jan 2026
Decision issued: Application Permitted
-
20 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
5 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 this grant of permission means
Westminster granted permission on 21 January 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.
Nearby applications
Within 0.3 miles
-
97 Mount Street London W1K 2TD
87% historically approved · decision due ~9 Apr
Replacement of vault doors at lower-ground floor level and installation of roof breather vents beneath roof terrace decking (Linked to 26/00860/LBC)
Awaiting decision Full applications 12 docs -
97 Mount Street London W1K 2TD
90% historically approved · decision due ~9 Apr
Replacement of vault doors at lower-ground floor level and installation of roof breather vents beneath roof terrace decking. (Linked to 26/00859/FULL)
Awaiting decision Heritage and listed buildings 1 doc -
97 Mount Street London W1K 2TD
Details of new doors pursuant to condition 7 of listed building consent dated 14th October 2024 (RN: 24/01955/LBC).
Granted Conditions 4 docs -
97 Mount Street London W1K 2TD
Details of design of outlet valve cabinets pursuant to condition 3 of listed building consent dated 6 November 2025 (RN: 25/03472/LBC).
Granted Conditions 5 docs -
97 Mount Street London W1K 2TD
Details of roof terrace railings pursuant to condition 11 of listed building consent dated 14th October 2024 (RN: 24/01955/LBC)
Granted Conditions 10 docs -
97 Mount Street London W1K 2TD
Detailed drawings of the new secondary glazing, detailed drawings of the new doors, detailed method statement, including photographs, showing how each retained door will be upgraded for fire protection, including a plan to show where each retained door is located and detailed drawings of the roof terrace railings pursuant to conditions 6, 7, 8 and 11 of listed building consent dated 14th October 2024 (RN:24/01955/LBC)
Granted Conditions Windows or glazing 102 docs
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