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Planning application

Second Floor Flat 163 Portnall Road London W9 3BN

Awaiting decision Westminster 25/09036/FULL Full Planning Permission Application

Works: Extension Loft or dormer Demolition

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Refurbishment of top floor maisonette, including the demolition and rebuilding of existing rear terrace conservatory, new rear loft dormer, and new metal balustrade to existing roof terrace.

As published by the council, reference 25/09036/FULL

Application record

Reference
25/09036/FULL
Type
Full Planning Permission Application
Status
Pending
Received
12 Dec 2025
Validated
20 Jan 2026
Ward
Queen's Park
Postcode
W9 3BN

Timeline

Dates from the published record

  1. 12 Dec 2025

    Received by Westminster

  2. 20 Jan 2026

    Validated

    Checked as complete and ready for consideration.

  3. 20 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 17 March 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 65 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Office Ten Architecture Agent, an architecture practice registered in London

Active · incorporated 2021 · London

10 applications on PlanIndex · across 3 councils

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See their track record

Documents

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

26 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.

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What 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 91 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

  • Second Floor Flat 141 Portnall Road London W9 3BN

    26/02106/FULL Submitted 30 Mar 2026 50 yards away

    87% historically approved · decision due ~25 May

    Erection of rear dormer roof extension and formation of third floor roof terrace to second floor flat, including installation of rooflights.

    Awaiting decision Full applications Extension Loft or dormer 17 docs

  • Second Floor Flat 141 Portnall Road London W9 3BN

    26/04222/FULL Submitted 25 Jun 2026 50 yards away

    87% historically approved · decision due ~20 Aug

    Erection of rear dormer roof extension and formation of third floor roof terrace to second floor flat, including installation of rooflights and associated external alterations.

    Awaiting decision Full applications Extension Loft or dormer

  • 186 Ashmore Road London W9 3DE

    25/07635/FULL Submitted 21 Oct 2025 50 yards away

    Erection of single-storey full width rear extension at ground floor level; erection of rear dormer extension with front roof lights; conversion from a single dwelling house into three self-contained flats (Use Class C3); installation of refuse and cycle storage in front and rear gardens.

    Granted Full applications New dwelling Extension +1 21 docs
    Small domestic

  • 151A Ashmore Road London W9 3DA

    26/00743/FULL Submitted 9 Feb 2026 100 yards away

    Erection of a rear side infill extension, alteration to rear fenestration and replacement of the roof of the existing single storey rear extension.

    Granted Full applications Extension Windows or glazing 16 docs
    Small domestic

  • 115 Bravington Road London W9 3AS

    07/11006/FULL Submitted 18 Dec 2007 100 yards away

    Insertion of one rooflight in front roofslope and three rooflights in rear roofslope in connection with the use of the loft space as additional internal living space (Flat C).

    Granted Full applications Loft or dormer 11 docs

  • 193A Portnall Road London W9 3BN

    26/00941/FULL Submitted 16 Feb 2026 100 yards away

    Erection of a single-storey ground floor rear/side extension.

    Granted Full applications Extension 16 docs
    Small domestic

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    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 repolacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06222/FULL Awaiting decision

    42 - 49 St Martin's Lane London WC2N 4EJ

    Entrance alterations, illuminated fascia sign to St Martins Lane entrance and glazed openings for digital signage

    Received 11 Sep, published by the council 21 Sep 2026 Full applications
  • 26/06234/FULL Awaiting decision

    40 Grosvenor Place London SW1X 7HJ

    Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/06249/FULL Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

    Received 11 Sep, published by the council 18 Sep 2026 Full applications