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
• 25/08980/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
• 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. 15 Dec 2025

   Received by Westminster

2. 2 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Apr 2026

   Decision issued: Application Permitted

4. 20 Jul 2026

   Added to PlanIndex

Westminster granted permission on 2 April 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.

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.

• 97 Mount Street London W1K 2TD

  25/03472/LBC Submitted 21 May 2025 50 yards away

  Installation of dry riser system and associated works.

  Granted Heritage and listed buildings 29 docs

• 97 Mount Street London W1K 2TD

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

  88% 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

• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07460/FULL Awaiting decision

  1 Hanover Square London W1S 1HA

  Installation of new public art sculptures and seating; hard and soft landscaping; installation of an area of raised terrace decking on St George Street measuring 43m x 2.6m for the placing of tables, chairs and banquette benches in connection with restaurant use; and associated external alterations and enabling works.

  Received 3 Nov, published by the council 5 Nov 2026 Full applications
• 26/07451/FULL Awaiting decision

  Flat 1 31 South Audley Street London W1K 2PG

  Replacement of windows, Installation of an external condenser to the rear elevation including Internal refurbishment. (linked with 26/07452/LBC)

  Received 2 Nov, published by the council 4 Nov 2026 Full applications
• 26/07443/FULL Awaiting decision

  150 Great Portland Street London W1W 6QD

  Installation of three air conditioning condenser units to the lower ground floor rear courtyard, incluidng erection of a plunge pool. (retrospective)

  Received 2 Nov, published by the council 4 Nov 2026 Full applications
• 26/06234/FULL Decided

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications