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Planning application

91 Ashmill Street London NW1 6RA

Decided Westminster 26/04137/FULL Full applications

Works: Extension

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Variation of condition 1 of planning permission dated 8th October 2024 (RN 24/04970/FULL) for the erection of rear extension to lower ground floor flat. NAMLEY, to change the design of the rear doors.

As published by the council, reference 26/04137/FULL

Application record

Reference
26/04137/FULL
Category
Full applications
Status
Decided
Received
23 Jun 2026
Validated
23 Jun 2026
Postcode
NW1 6RA

Site history

Applications at this address on the Westminster register

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

Timeline

Dates from the published record

  1. 23 Jun 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. 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 full applications

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.

Nearby applications

Within 0.3 miles

  • 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

    87% 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

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications