Skip to content
PlanIndex Get alerts
Menu

Planning application

12 Ashworth Road W9 1JY

Granted Westminster 26/00279/FULL Full Planning Permission Application

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Erection of a single storey garden room.

As published by the council, reference 26/00279/FULL

Application record

Reference
26/00279/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
19 Jan 2026
Validated
19 Jan 2026
Decided
19 Mar 2026
Ward
Maida Vale
Decision by
Delegated Decision
Postcode
W9 1JY

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026: 1 approved, 0 refused.

  • 26/03150/ADFULL Awaiting decision

    12 Ashworth Road W9 1JY

    Details of tree protection pursuant to condition 4 of planning permission dated 19 March 2026 (RN: 26/00279/FULL).

    Submitted 13 May 2026 Full applications

Timeline

Dates from the published record

  1. 19 Jan 2026

    Received by Westminster

  2. 19 Mar 2026

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Sonic Box Studios Agent, registered in Hove

Active · incorporated 2022 · Hove

4 applications on PlanIndex · across 3 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

Plans, drawings, consultee responses and the officer's report

13 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 documents

What this grant of permission means

Westminster granted permission on 19 March 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.

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

  • 107A Randolph Avenue London W9 1DL

    25/05179/FULL Submitted 25 Jul 2025 50 yards away

    Excavation of a basement with rear and front lightwell, works to front boundary including installation of planter, lower ground floor access stair.

    Granted Full applications 33 docs

  • 109A Randolph Avenue London W9 1DL

    22/03158/FULL Submitted 11 May 2022 50 yards away

    Erection of single storey extension to rear with internal courtyard and alterations to side entrance.

    Granted Full applications Extension 19 docs
    Small domestic

  • 38 Ashworth Road W9 1JY

    26/00350/TCA Submitted 21 Jan 2026 50 yards away

    100% historically approved · decision due ~18 Mar

    T10 Ailanthus Altissimus (Tree of Heaven): Fell to ground level / Section dismantle As recommended by Rosie Dobson

    Awaiting decision Trees 8 docs

  • 24A Ashworth Road W9 1JY

    26/03847/TCA Submitted 11 Jun 2026 50 yards away

    T1 1 x purple plum: crown reduce to previous, most recent reduction points (approx. 2m).

    Decided Trees

  • 38 Ashworth Road W9 1JY

    25/06117/ADFULL Submitted 28 Aug 2025 50 yards away

    Details of signed appendix A pursuant to condition 3 of planning permission dated 22nd May 2025 (RN: 25/02135/FULL).

    Granted Full applications 6 docs

  • 30 Ashworth Road W9 1JY

    26/06036/CLEUD Submitted 3 Sep 2026 50 yards away

    84% historically approved · decision due ~1 Dec

    Installation of air source heat pump in rear garden as per Class G - installation or alteration etc of air source heat pumps on domestic premises.

    Awaiting decision Lawful development

In Westminster

  • 26/06015/FULL Decided

    129 Saltram Crescent London W9 3JT

    Erection of a two-storey rear extension.

    Received 3 Sep, published by the council 11 Sep 2026 Full applications
  • 26/05689/FULL Decided

    Flat 1 12 Bristol Gardens London W9 2JG

    Demolition of an existing conservatory at the rear at lower ground level and erection of single storey rear extension.

    Received 19 Aug, published by the council 14 Sep 2026 Full applications
  • 26/07340/FULL Awaiting decision

    123 Victoria Street London SW1E 6DE

    Installation of a single-leaf glazed entrance door at ground level to the Victoria Street frontage

    Received 27 Oct, published by the council 30 Oct 2026 Full applications
  • 26/07315/FULL Awaiting decision

    30 Inverness Terrace London W2 3JA

    Relocation of air conditioning units throughout to the lower ground floor lightwells within aluminium enclosure; replacement of all pipes with cast iron pipes; alteration to balconies including replacement of UPVC door with original door arrangement and replacement railing; reopening of previously infilled windows; replacement marble tiles at hallway of No.32 with Victorian floor tiles; replacement of all doors facing the communal staircase with the correct period style doors; removal of red clay tile leanto roof at first floor rear and the roof made good; removal of link bridges to the rear of the second floor and the rear of the third floor; and reopening of previously infilled windows to the stairs lobby at ground, first and second floor to No.30. (Linked with 26/07316/LBC)

    Received 26 Oct, published by the council 27 Oct 2026 Full applications
  • 26/05708/FULL Decided

    Flat 23 Imperial Court 55 - 56 Prince Albert Road London NW8 7PT

    Replacement of existing windows and louvres.

    Received 20 Aug, published by the council 18 Sep 2026 Full applications