Planning application
91 Ashmill Street London NW1 6RA
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of a air conditioning unit and acoustic enclosure.
As published by the council, reference 26/02873/FULL
Application record
- Reference
- 26/02873/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 30 Apr 2026
- Validated
- 13 May 2026
- Ward
- Church Street
- Postcode
- NW1 6RA
Site history
Applications at this address on the Westminster register
This site has had 3 applications since 2026.
-
26/04137/FULL Decided
91 Ashmill Street London NW1 6RA
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.
-
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.
Timeline
Dates from the published record
-
30 Apr 2026
Received by Westminster
-
13 May 2026
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 8 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 91 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
USL Architects Agent, an architecture practice
36 applications on PlanIndex · across 13 councils · 79% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
15 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.
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
-
91 Ashmill Street London NW1 6RA
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 -
85 Ashmill Street London NW1 6RA
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
88% historically approved · decision due ~18 Aug
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.
Decided Full applications Extension -
5 Alpha House 1 Ashbridge Street London NW8 8AF
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
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
Erection of ground floor rear extension providing additional floorsapce to an existing flat.
Granted Full applications Extension 11 docs
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