91 Ashmill Street London NW1 6RA

This site has had 3 applications since 2026.

• 26/02874/NMA Awaiting decision

  91 Ashmill Street London NW1 6RA

  Amendments to planning permission dated 9th October 2024 (RN:24/04970/FULL) for Erection of rear extension to lower ground floor flat. Namely, correction to the roof plan layout to align with the approved site plan, including two rooflights and amendments to the green roof layout, with the inclusion of gravel for fire safety.

  Submitted 30 Apr 2026 Amendments
• 26/02873/FULL Awaiting decision

  91 Ashmill Street London NW1 6RA

  Installation of a air conditioning unit and acoustic enclosure.

  Submitted 30 Apr 2026 Full applications

1. 23 Jun 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. 9 Aug 2026

   Status changed to Decided

   Previously Pending.

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.

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.

• 85 Ashmill Street London NW1 6RA

  26/02373/NMA Submitted 10 Apr 2026 50 yards away

  93% historically approved · decision due ~5 Jun

  Amendments to planning permission dated 15th August 2024 (RN:24/04547/FULL) for Alterations to front railings, new entrance gate and steps, including wheelchair stairlift to entrance to 85, new rear door to 85 and new rear ramp and patio. Namely, additional wall-fixed handrail to proposed stairs.

  Awaiting decision Amendments 7 docs

• 91 Ashmill Street London NW1 6RA

  26/02874/NMA Submitted 30 Apr 2026 50 yards away

  93% historically approved · decision due ~25 Jun

  Amendments to planning permission dated 9th October 2024 (RN:24/04970/FULL) for Erection of rear extension to lower ground floor flat. Namely, correction to the roof plan layout to align with the approved site plan, including two rooflights and amendments to the green roof layout, with the inclusion of gravel for fire safety.

  Awaiting decision Amendments Extension Loft or dormer 7 docs

• 91 Ashmill Street London NW1 6RA

  26/02873/FULL Submitted 30 Apr 2026 50 yards away

  88% historically approved · decision due ~8 Jul

  Installation of a air conditioning unit and acoustic enclosure.

  Awaiting decision Full applications 15 docs

• 5 Alpha House 1 Ashbridge Street London NW8 8AF

  07/03461/FULL Submitted 19 Apr 2007 50 yards away

  Infill of existing balcony at second floor level on Ashmill Street elevation with windows to create additional internal living space.

  Granted Full applications Extension Windows or glazing 8 docs

• 7 Alpha House 1 Ashbridge Street London NW8 8AF

  06/07211/FULL Submitted 7 Sep 2006 50 yards away

  Erection of ground floor rear extension providing additional floorspace to an existing flat.

  Granted Full applications Extension 9 docs

• 1 Alpha House 1 Ashbridge Street London NW8 8AF

  03/09097/FULL Submitted 25 Nov 2003 50 yards away

  Erection of ground floor rear extension providing additional floorsapce to an existing flat.

  Granted Full applications Extension 11 docs

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 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
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications