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Planning application

9 Abinger Mews W9 3SP

Decided Westminster 26/06044/CLOPUD Lawful development

Works: Loft or dormer

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

Proposal

Proposed loft conversion with rear dormer and 3 front rooflights to existing mid-terraced house.

As published by the council, reference 26/06044/CLOPUD

Application record

Reference
26/06044/CLOPUD
Category
Lawful development
Status
Decided
Received
3 Sep 2026
Validated
3 Sep 2026
Postcode
W9 3SP

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2026: 1 approved, 0 refused.

  • 26/06045/PALHE Awaiting decision

    9 Abinger Mews W9 3SP

    Erection of a single storey rear extension to existing mid-terraced property.

    Submitted 3 Sep 2026
  • 26/00600/TPO Granted

    9 Abinger Mews W9 3SP

    1 x whitebeam (T1): Fell 1 x whitebeam (T2): Reduce by approx 1.5m from the height and width

    Decided 30 Mar 2026 Trees

Timeline

Dates from the published record

  1. 3 Sep 2026

    Received by Westminster

  2. 11 Sep 2026

    Added to PlanIndex

  3. 16 Oct 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 lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 9 Abinger Mews W9 3SP

    26/06045/PALHE Submitted 3 Sep 2026 50 yards away

    89% historically approved · decision due ~29 Oct

    Erection of a single storey rear extension to existing mid-terraced property.

    Awaiting decision Extension
    Small domestic
  • 20 Abinger Mews W9 3SP

    26/01047/TPO Submitted 18 Feb 2026 50 yards away

    100% historically approved · decision due ~15 Apr

    X1 Silver birch: Fell As detailed within the accompanying arboricultural and engineering evidence, the tree is situated approximately 1.8 metres from the property and is exhibiting significant surface rooting typical of Betula pendula. The shallow root system has caused measurable deformation of the tarmacadam driveway, including uplift, cracking, sub base distortion and surface delamination. The independent hard surface and drainage assessment confirms that reinstatement of the driveway to compliant drainage gradients cannot be achieved without excavation within the tree?s root protection area. Due to the garage threshold being set lower than the driveway level, regrading without root removal would create unacceptable flood risk. Pruning has been considered but is not a viable long term solution. Birch species tolerate reduction poorly and significant pruning would accelerate physiological decline without addressing the underlying root conflict. Given the constrained rooting environment, ongoing hard surface displacement and drainage implications, removal and replacement is considered the only sustainable long term solution. We propose to replace the tree with a suitable specimen of approximately 18 to 20 cm e girth, to be positioned appropriately within the site to avoid recurrence of structural conflict while maintaining amenity value. We respectfully request that the application be approved in light of the enclosed technical evidence.

    Awaiting decision Trees 8 docs
  • 20 Abinger Mews W9 3SP

    25/07943/TPO Submitted 3 Nov 2025 50 yards away

    1 x Silver birch (T1): Fell

    Refused Trees 6 docs
  • 22 Abinger Mews W9 3SP

    26/01073/TDD Submitted 22 Jan 2026 50 yards away

    100% historically approved · decision due ~19 Mar

    1 x Cherry (front): fell

    Awaiting decision Trees 1 doc
  • 78 Walterton Road London W9 3PQ

    04/10011/FULL Submitted 17 Dec 2004 50 yards away

    External alterations including the enlargement of access door to front lightwell, replacement of existing windows and erection of bin stores and new access steps to rear garden.

    Granted Full applications Windows or glazing 7 docs
  • 9 Abinger Mews W9 3SP

    26/00600/TPO Submitted 2 Feb 2026 50 yards away

    1 x whitebeam (T1): Fell 1 x whitebeam (T2): Reduce by approx 1.5m from the height and width

    Granted Trees 12 docs

In Westminster

  • 26/07468/CLOPUD Awaiting decision

    14 - 16 Great Portland Street London W1W 8QW

    Confirmation the demolition of the existing outrigger structure at fifth floor level (the Proposed Works) constitutes the lawful commencement of development pursuant to the Permission.

    Received 3 Nov, published by the council 5 Nov 2026 Lawful development
  • 26/07423/CLOPUD Awaiting decision

    103 Elgin Avenue London W9 2NP

    Painting of the decorative stonework, window frames and doors on the front elevation and front boundary wall

    Received 2 Nov, published by the council 4 Nov 2026 Lawful development
  • 26/07454/CLOPUD Awaiting decision

    10 Stratton Street London W1J 8LG

    Changes to existing windows and doors

    Received 2 Nov, published by the council 5 Nov 2026 Lawful development
  • 26/07381/CLEUD Awaiting decision

    Ground Floor Rear Flat 4 Mozart Street London W10 4LA

    Use of the ground floor rear flat as short-term visitor accommodation.

    Received 28 Oct, published by the council 5 Nov 2026 Lawful development
  • 26/07339/CLOPUD Awaiting decision

    123 Victoria Street London SW1E 6DE

    Use of part of ground floor reception area within Class E including, but not limited to, a retail café (Class E(a)).

    Received 27 Oct, published by the council 30 Oct 2026 Lawful development