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Planning application

97 Mount Street London W1K 2TD

Granted Westminster 25/03472/LBC Listed Building Consent Application

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

Proposal

Installation of dry riser system and associated works.

As published by the council, reference 25/03472/LBC

Application record

Reference
25/03472/LBC
Type
Listed Building Consent Application
Status
Decided
Decision
Application Permitted
Received
21 May 2025
Validated
18 Jul 2025
Decided
6 Nov 2025
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.

    Submitted 18 Jun 2026 Amendments
  • 26/04016/LBC Decided

    97 Mount Street London W1K 2TD

    Installation of railings at roof level with an integrated gate.

    Submitted 18 Jun 2026 Heritage and listed buildings
  • 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)

    Submitted 12 Feb 2026 Full applications
  • 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)

    Submitted 12 Feb 2026 Heritage and listed buildings
  • 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).

    Decided 23 Feb 2026 Conditions
  • 25/09041/ADFULL Granted

    97 Mount Street London W1K 2TD

    Details of roof terrace railings pursuant to condition 6 of planning permission dated 14th October 2024 (RN: 24/01954/FULL)

    Decided 21 Jan 2026 Full applications
  • 25/09042/FULL Granted

    97 Mount Street London W1K 2TD

    Installation of dry riser inlet within existing grille.

    Decided 2 Apr 2026 Full applications
  • 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).

    Decided 29 Jan 2026 Conditions
  • 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)

    Decided 6 Mar 2026 Conditions
  • 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)

    Decided 6 Oct 2025 Conditions

Timeline

Dates from the published record

  1. 21 May 2025

    Received by Westminster

  2. 18 Jul 2025

    Validated

    Checked as complete and ready for consideration.

  3. 6 Nov 2025

    Decision issued: Application Permitted

  4. 30 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 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).

    Decided 29 Jan 2026 Conditions

Documents

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

29 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.

Trade members open them from here.

Open the documents

What this grant of permission means

Westminster granted permission on 6 November 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 heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 97 Mount Street London W1K 2TD

    25/09042/FULL Submitted 15 Dec 2025 2m away

    Installation of dry riser inlet within existing grille.

    Granted Full applications 16 docs
  • 97 Mount Street London W1K 2TD

    26/00859/FULL Submitted 12 Feb 2026 3m away

    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

    26/00860/LBC Submitted 12 Feb 2026 3m away

    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

    25/09041/ADFULL Submitted 15 Dec 2025 3m away

    Details of roof terrace railings pursuant to condition 6 of planning permission dated 14th October 2024 (RN: 24/01954/FULL)

    Granted Full applications 5 docs
  • 97 Mount Street London W1K 2TD

    26/00136/ADFULL Submitted 12 Jan 2026 3m away

    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

    25/08980/ADLBC Submitted 10 Dec 2025 3m away

    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

In Westminster

  • 26/06025/LBC Awaiting decision

    House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

    Installation of new and replacement electronic equipment within Speaker. (Linked with 26/06024/FULL)

    3 Sep 2026 Heritage and listed buildings
  • 26/05971/LBC Awaiting decision

    House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

    Automation of door at principal floor level.

    1 Sep 2026 Heritage and listed buildings
  • 26/05962/LBC Awaiting decision

    Royal Albert Hall Kensington Gore London SW7 2AP

    Variation of condition 2 of listed building consent dated 26 March 2024 (RN: 24/00820/LBC) for the: Erect temporary access scaffolding platform at high level in the auditorium to inspect the condition of the plaster ceilings and main cornices. NAMELY, to allow the gantry to remain in place until December 2028.

    1 Sep 2026 Heritage and listed buildings
  • 26/05970/LBC Awaiting decision

    Norman Shaw Building South Victoria Embankment London SW1A 2HZ

    Replacement and installation of 16 electronic access control systems to Norman Shaw South

    1 Sep 2026 Heritage and listed buildings
  • 26/05943/LBC Awaiting decision

    1 Barton Street London SW1P 3NG

    Use of the building as F1(a) Education, along with associated internal and external alterations. (Linked with 26/05942/FULL)

    1 Sep 2026 Heritage and listed buildings