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Planning application

258 Stag Lane, London, NW9 0EG

Refused Brent 25/2671 Certificate of Lawfulness - Proposed

Works: Extension Loft or dormer Domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Certificate of lawfulness for proposed hip to gable-end roof extension and rear dormer with 2x front rooflights to dwellinghouse

As published by the council, reference 25/2671

Application record

Reference
25/2671
Type
Certificate of Lawfulness - Proposed
Status
Decided
Decision
Certificate of Lawfulness - Refused
Received
18 Sep 2025
Validated
18 Sep 2025
Decided
6 Nov 2025
Ward
Queensbury
Decision by
Delegated Team Manager
Postcode
NW9 0EG

Site history

Applications at this address on the Brent register

This site has had 3 applications since 2025: 1 approved, 1 refused.

  • 26/1191 Decided

    258 Stag Lane, London, NW9 0EG

    Demolition of garden shed and erection of single-storey side to rear extension, first-floor side ...

    Submitted 12 May 2026
  • 25/2670 Granted

    258 Stag Lane, London, NW9 0EG

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4m Maximum height - 3m Eaves height - 3m

    Decided 28 Oct 2025 Prior approval

Timeline

Dates from the published record

  1. 18 Sep 2025

    Received by Brent

  2. 6 Nov 2025

    Decision issued: Certificate of Lawfulness - Refused

  3. 11 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, registered in Woking

11 applications on PlanIndex · across 8 councils

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Documents

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

11 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 refusal means

Brent refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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 500 metres

  • 258 Stag Lane, London, NW9 0EG

    25/2670 Submitted 18 Sep 2025 0m away

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4m Maximum height - 3m Eaves height - 3m

    Granted Prior approval Extension 11 docs
    Small domestic

  • 258 Stag Lane, London, NW9 0EG

    26/1191 Submitted 12 May 2026 2m away

    79% historically approved · decision due ~13 Jul

    Demolition of garden shed and erection of single-storey side to rear extension, first-floor side ...

    Decided Extension Demolition
    Small domestic

  • 32 Tennyson Avenue, London, NW9 9JA

    21/1595 Submitted 28 Apr 2021 48m 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 2 docs
    Small domestic

  • 17 Fairway Avenue, London, NW9 0EY

    25/2788 Submitted 2 Oct 2025 118m away

    Demolition of existing outbuilding and rear dormer and proposed conversion of garage into a habitable room, replacing garage door with a window, hip to gable roof extensions to main roof and side extension roof, rear dormer extension, 3x front rooflights and single storey outbuilding in the rear garden of dwellinghouse.

    Granted Householder Extension Loft or dormer +2 10 docs
    Small domestic

  • 16 Milton Avenue, London, NW9 0EX

    21/1317 Submitted 12 Apr 2021 122m away

    Proposed construction of single storey rear extension, front porch extension, and a raised patio with steps to the rear of the dwellinghouse.

    Granted Householder Extension 5 docs
    Small domestic

  • 1 Princes Avenue, London, NW9 9JP

    25/2755 Submitted 29 Sep 2025 151m away

    Conversion of single dwelling house into 5x bedroom 5x person HMO with landscaping to front and rear gardens and bin/refuse storages spaces.

    Granted Full applications 16 docs
    Domestic

In Brent

  • 26/0783 Granted

    3 Hamilton Road, London, NW10 1NU

    Certificate of lawfulness for existing single-storey rear extension to dwellinghouse

    26 Mar 2026 Lawful development
  • 26/1946 Awaiting decision

    120 Gladstone Park Gardens, London, NW2 6RL

    Certificate of lawfulness for proposed rear dormer extension with Juliet balcony, hip to gable roof extension, installation of 1x window to side elevation and 2x front rooflights to dwellinghouse.

    30 Jul 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

    13 May 2026 Lawful development
  • 26/1015 Refused

    5 Midholm, Wembley, HA9 9LJ

    Certificate of lawfulness for proposed installation of solar panels to the side and rear roofslope of the dwellinghouse.

    23 Apr 2026 Lawful development
  • 26/1176 Refused

    47 Barn Rise, Wembley, HA9 9NH

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

    11 May 2026 Lawful development