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Planning application

149 Chanctonbury Way London N12 7AE

Granted Barnet 21/5337/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Roof extension involving hip to gable and rear dormer window with juliette balcony following removal of the existing hip/side dormer. Alterations to the detached garage roof.

As published by the council, reference 21/5337/192

Application record

Reference
21/5337/192
Type
Proposed Lawful Development Certificate
Status
Lawful
Decision
Granted As published: Lawful
Received
8 Oct 2021
Validated
8 Oct 2021
Decided
3 Dec 2021
Ward
Totteridge
Decision by
Delegated Decision
Postcode
N12 7AE

Timeline

Dates from the published record

  1. 8 Oct 2021

    Received by Barnet

  2. 3 Dec 2021

    Decision issued: Lawful

  3. 28 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Blueprint Architects Ltd Agent, an architecture practice registered in London

Dissolved · incorporated 2011 · London

11 applications on PlanIndex · across 3 councils · 70% granted

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Documents

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

18 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

Barnet granted permission on 3 December 2021, 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

  • 147 Chanctonbury Way London N12 7AE

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    23/3573/HSE Submitted 17 Aug 2023 150 yards away

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    26/1953/HSE Submitted 26 May 2026 200 yards away

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  • 49 Michleham Down London N12 7JJ

    26/1956/192 Submitted 26 May 2026 200 yards away

    80% historically approved · decision due ~21 Jul

    Roof extension involving rear dormer window with juliette balcony, 4no. front facing rooflights and new side gable window

    Awaiting decision Lawful development Extension Loft or dormer +1 5 docs

  • 16 Rodmell Slope London N12 7BX

    25/3335/HSE Submitted 11 Aug 2025 200 yards away

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    Granted Householder Extension Loft or dormer +1 17 docs
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    25/4210/192 Submitted 21 Oct 2025 200 yards away

    Roof extension involving rear dormer window and 1no. additional front facing rooflight following the demolition of the existing rear dormer

    Granted Lawful development Extension Loft or dormer +2 7 docs

In Barnet

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  • 26/2392/192 Refused

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  • 26/2059/192 Refused

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    Received 3 Jun, published by the council 16 Aug 2026 Lawful development