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Planning application

10 Portsdown Avenue London NW11 0NB

Granted Barnet 21/5851/192 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 rear and side dormer window, 1no front facing rooflight

As published by the council, reference 21/5851/192

Application record

Reference
21/5851/192
Type
Proposed Lawful Development Certificate
Status
Lawful
Decision
Granted As published: Lawful
Received
3 Nov 2021
Validated
3 Nov 2021
Decided
29 Nov 2021
Ward
Golders Green
Decision by
Delegated Decision
Postcode
NW11 0NB

Timeline

Dates from the published record

  1. 3 Nov 2021

    Received by Barnet

  2. 29 Nov 2021

    Decision issued: Lawful

  3. 14 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Norton Mayfield Architects Ltd. Agent, an architecture practice registered in Sheffield

Active · incorporated 2014 · Sheffield

39 applications on PlanIndex · across 17 councils · 94% 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 29 November 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

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  • 63 Templars Avenue London NW11 0NU

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  • 57 Templars Avenue London NW11 0NU

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  • 57 Templars Avenue London NW11 0NU

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In Barnet

  • 26/2679/192 Granted

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    Received 20 Jul, published by the council 7 Aug 2026 Lawful development
  • 26/1907/191 Granted

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    Received 21 May, published by the council 16 Aug 2026 Lawful development
  • 26/2059/192 Refused

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    Received 3 Jun, published by the council 16 Aug 2026 Lawful development
  • 26/2066/192 Granted

    355 Hendon Way London NW4 3NB

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    Received 3 Jun, published by the council 16 Aug 2026 Lawful development
  • 26/2525/192 Granted

    39 Ridgeway Avenue Barnet EN4 8TN

    Single storey rear extension

    Received 6 Jul, published by the council 9 Aug 2026 Lawful development