97 Mount Street London W1K 2TD

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.

  Decided 28 Jul 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
• 25/05402/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
• 25/03472/LBC Granted

  97 Mount Street London W1K 2TD

  Installation of dry riser system and associated works.

  Decided 6 Nov 2025 Heritage and listed buildings

1. 4 Dec 2025

   Received by Westminster

2. 6 Mar 2026

   Decision issued: Application Permitted

3. 20 Jul 2026

   Added to PlanIndex

Westminster granted permission on 6 March 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 97 Mount Street London W1K 2TD

  26/00859/FULL Submitted 12 Feb 2026 50 yards 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 50 yards 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 50 yards 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 50 yards 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 50 yards 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

• 97 Mount Street London W1K 2TD

  25/05402/ADLBC Submitted 1 Aug 2025 50 yards away

  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

• 26/04860/ADLBC Granted

  New Zealand House 80 Haymarket London SW1Y 4TE

  Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)

  Received 20 Jul, published by the council 1 Aug 2026 Conditions
• 26/04843/ADLBC Granted

  New Zealand House 80 Haymarket London SW1Y 4TE

  Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).

  Received 20 Jul, published by the council 1 Aug 2026 Conditions
• 26/05026/ADLBC Awaiting decision

  St James's Park The Mall London SW1A 1AA

  Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)

  Received 27 Jul, published by the council 4 Aug 2026 Conditions
• 26/04850/ADLBC Awaiting decision

  17 Belgrave Square London SW1X 8PG

  Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)

  Received 20 Jul, published by the council 1 Aug 2026 Conditions
• 25/07120/ADLBC Granted

  72 - 74 Lancaster Gate London W2 3NH

  Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)

  Received 2 Oct, published by the council 21 Jul 2026 Conditions