Planning application
97 Mount Street London W1K 2TD
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Installation of railings at roof level with an integrated gate.
As published by the council, reference 26/04016/LBC
Application record
- Reference
- 26/04016/LBC
- Category
- Heritage and listed buildings
- Status
- Decided
- Received
- 18 Jun 2026
- Validated
- 18 Jun 2026
- 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.
-
26/00859/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).
-
25/09041/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)
-
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
-
18 Jun 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
9 Aug 2026
Status changed to Decided
Previously Pending.
After the decision
Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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 0.3 miles
-
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 Amendments Loft or dormer -
97 Mount Street London W1K 2TD
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
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 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
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
Other heritage and listed building applications
In Westminster
-
26/07529/LBC Awaiting decision
69 Eaton Place London SW1X 8DF
Installation of new cast iron water supply pipe on rear courtyard elevation. (Linked with 26/07528/FULL)
-
26/07509/LBC 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 26/07508/FULL)
-
26/07473/LBC Awaiting decision
Flat 3 82 New Cavendish Street London W1G 9TA
Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07472/FULL)
-
26/07471/LBC Awaiting decision
12 Queen Anne's Gate London SW1H 9AA
Excavation of single-storey basement, internal reconfiguration and installation of modern services. (Linked with 26/07470/FULL)
-
26/07461/LBC Awaiting decision
1 Savile Row London W1S 3JR
Minor internal works comprising redecoration and upgrades to lighting, flooring and bathroom and kitchen facilities, together with external works including new lighting and signage.