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Planning application

18 Windermere Avenue, Wembley, HA9 8SF

Granted Brent 25/2459 Certificate of Lawfulness - Proposed

Works: Extension Demolition Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Certificate of lawfulness for proposed demolition of existing front porch and erection of single storey rear extension, front porch extension, conversion of side garage into a habitable room with replacement of garage door with window , removal of side door, single storey side extension and single storey outbuilding in rear garden of the dwellinghouse.

As published by the council, reference 25/2459

Application record

Reference
25/2459
Type
Certificate of Lawfulness - Proposed
Status
Decided
Decision
Granted As published: Certificate of Lawfulness - Granted
Received
27 Aug 2025
Validated
27 Aug 2025
Decided
14 Oct 2025
Ward
Preston
Decision by
Delegated Team Manager
Postcode
HA9 8SF

Site history

Applications at this address on the Brent register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • 26/0095 Granted

    18 Windermere Avenue, Wembley, HA9 8SF

    Demolition of front porch and garage and erection of front porch extension, single storey side and rear extension, gable end roof extension, rear dormer window, 2 front rooflights, 1 new outbuildings, solar panels to roof of single storey rear extension and removal of chimneys to dwellinghouse

    Decided 3 Mar 2026 Householder

Timeline

Dates from the published record

  1. 27 Aug 2025

    Received by Brent

  2. 14 Oct 2025

    Decision issued: Certificate of Lawfulness - Granted

  3. 11 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

DS Squared Architects Agent, an architecture practice

34 applications on PlanIndex · across 12 councils · 77% granted

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Documents

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

7 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 this grant of permission means

Brent granted permission on 14 October 2025, 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 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

  • 18 Windermere Avenue, Wembley, HA9 8SF

    26/0095 Submitted 15 Jan 2026 50 yards away

    Demolition of front porch and garage and erection of front porch extension, single storey side and rear extension, gable end roof extension, rear dormer window, 2 front rooflights, 1 new outbuildings, solar panels to roof of single storey rear extension and removal of chimneys to dwellinghouse

    Granted Householder Extension Loft or dormer +2 7 docs
    Small domestic

  • 28 Windermere Avenue, Wembley, HA9 8SF

    24/2762 Submitted 2 Oct 2024 50 yards away

    Proposed partial demolition of existing garage, and its conversion into a granny annexe with the replacement of its door with window, and erection of single-storey side-to-rear extension to dwellinghouse (Revised Description)

    Granted Householder Extension Demolition +1 19 docs
    Small domestic

  • 23 Windermere Avenue, Wembley, HA9 8SH

    25/0102 Submitted 14 Jan 2025 50 yards away

    Certificate of lawfulness for proposed detached outbuilding in rear garden of the dwellinghouse.

    Granted Lawful development 6 docs
    Small domestic

  • 1 Windermere Avenue, Wembley, HA9 8SH

    26/0625 Submitted 12 Mar 2026 50 yards away

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3m Eaves height - 3m

    Granted Prior approval Extension 3 docs
    Small domestic

  • 1 Windermere Avenue, Wembley, HA9 8SH

    26/0565 Submitted 5 Mar 2026 50 yards away

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.00m Eaves height - 3.00m

    Refused Prior approval Extension 4 docs
    Small domestic

  • 1 Windermere Avenue, Wembley, HA9 8SH

    26/0197 Submitted 27 Jan 2026 50 yards away

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3m Eaves height - 3m

    Refused Prior approval Extension 4 docs
    Small domestic

In Brent

  • 26/2285 Awaiting decision

    137 Chatsworth Road, London, NW2 5QT

    Certificate of lawfulness for proposed use as supported housing

    Received 8 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2277 Awaiting decision

    65 The Avenue, Wembley, HA9 9PH

    Certificate of lawfulness for proposed conversion of outbuilding into a gym and sauna and extension to the outbuilding in rear garden of the dwellinghouse.

    Received 8 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2199 Awaiting decision

    Flat 8, 399 Neasden Lane North, London, NW10 0BD

    Certificate of lawfulness for existing use of rear unit 8 as a self-contained flat.

    Received 2 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2093 Awaiting decision

    17 Buller Road, London, NW10 5BS

    Certificate of lawfulness for proposed alterations to front, side and rear fenestrations including installation of ground floor side oriel window and rear timber door to dwellinghouse

    Received 18 Aug, published by the council 21 Sep 2026 Lawful development
  • 26/1208 Granted

    50 Ballogie Avenue, London, NW10 1TA

    Certificate of lawfulness for proposed rear dormer extension, hip to gable roof extension, alteration to fenestration and installation of rooflights to the dwellinghouse

    Received 13 May, published by the council 25 Jul 2026 Lawful development