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Planning application

23 Cyprus Gardens London N3 1SP

Decided Barnet 26/1920/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Windows or glazing

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no. front facing rooflights and new side gable window, following removal of existing side and rear dormer windows, and partial removal of the chimney on the flank wall. (amended)

As published by the council, reference 26/1920/192

Application record

Reference
26/1920/192
Type
Proposed Lawful Development Certificate
Status
Lawful
Decision
Lawful
Received
21 May 2026
Validated
21 May 2026
Decided
17 Jun 2026
Ward
Finchley Church End
Decision by
Delegated Decision
Postcode
N3 1SP

Timeline

Dates from the published record

  1. 21 May 2026

    Received by Barnet

  2. 17 Jun 2026

    Decision issued: Lawful

  3. 16 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, registered in Redbourn

42 applications on PlanIndex · across 9 councils · 82% granted

Trade members see who it is, their full track record, and every application they have filed.

See who's behind it

Documents

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

9 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.

Trade members open them from here.

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After the decision

The process from here

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

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In Barnet

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