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Planning application

407 High Road, London, NW10 2JN

Refused Brent 25/2824 Certificate of Lawfulness - Proposed

Works: Extension Loft or dormer Small 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 single-storey rear and side extensions, rear dormer and outrigger extensions, 3x front rooflights and 1x rear rooflight to dwellinghouse.

As published by the council, reference 25/2824

Application record

Reference
25/2824
Type
Certificate of Lawfulness - Proposed
Status
Decided
Decision
Refused As published: Certificate of Lawfulness - Refused
Received
7 Oct 2025
Validated
14 Oct 2025
Decided
12 Dec 2025
Ward
Roundwood
Decision by
Delegated Team Manager
Postcode
NW10 2JN

Site history

Applications at this address on the Brent register

This site has had 2 applications since 2025: 1 approved, 1 refused.

  • 25/3492 Granted

    407 High Road, London, NW10 2JN

    Certificate of lawfulness for proposed single storey rear extension, rear dormer extension to rear roof and outrigger, 3x front rooflights, 1x rear rooflight and rear garden landscaping alteration to the dwellinghouse

    Decided 12 Jan 2026 Lawful development

Timeline

Dates from the published record

  1. 7 Oct 2025

    Received by Brent

  2. 14 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 12 Dec 2025

    Decision issued: Certificate of Lawfulness - Refused

  4. 11 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Ten Point Five Architecture Agent, an architecture practice

20 applications on PlanIndex · across 6 councils · 89% granted

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Documents

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

16 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 0.3 miles

  • 407 High Road, London, NW10 2JN

    25/3492 Submitted 16 Dec 2025 50 yards away

    Certificate of lawfulness for proposed single storey rear extension, rear dormer extension to rear roof and outrigger, 3x front rooflights, 1x rear rooflight and rear garden landscaping alteration to the dwellinghouse

    Granted Lawful development Extension Loft or dormer 17 docs
    Small domestic

  • Land at 370 High Road & 54-58 Dudden Hill Lane, London, NW10 2EA

    25/2799 Submitted 3 Oct 2025 50 yards away

    Details pursuant to condition 27 (Landscaping), of Full planning permission application reference 23/3187 dated 17/10/2024 for Demolition of existing buildings and redevelopment to provide six mixed use blocks, comprising residential dwellings (Class C3); the provision of industrial floorspace, gym floorspace, retail floorspace and flexible commercial floorspace; associated vehicular access; car and cycle parking spaces; refuse storage; amenity space; substation and landscaping, subject to Deed of Agreement dated 16th October 2024 under Section 106 of Town and Country Planning Act, 1990 as amended.

    Granted Conditions Demolition 74 docs

  • 36 Beaconsfield Road, London, NW10 2JG

    21/3883 Submitted 18 Oct 2021 100 yards away

    Proposed loft conversion with rear dormer windows and 2 front roof lights to first floor flat.

    Granted Full applications Loft or dormer Windows or glazing 5 docs

  • 17 Beaconsfield Road, London, NW10 2JE

    26/1169 Submitted 8 May 2026 100 yards away

    79% historically approved · decision due ~10 Jul

    Proposed single storey side and rear extension to the ground floor flat.

    Decided Extension 7 docs
    Small domestic

  • 19 Beaconsfield Road, London, NW10 2JE

    20/2662 Submitted 28 Aug 2020 100 yards away

    Conversion into 2 self-contained flats, a single storey side and rear extension, rear dormer window and 2 front rooflights to convert loft into habitable space and provision for cycle and refuse storage

    Granted Full applications New dwelling Extension +2 8 docs
    Small domestic

  • 19 Beaconsfield Road, London, NW10 2JE

    20/2460 Submitted 13 Aug 2020 100 yards away

    Certificate of lawfulness for existing use as two self-contained flats.

    Refused Lawful development New dwelling 4 docs

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