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Planning application

18 Redbourne Avenue London N3 2BS

Refused Barnet 26/0832/192 Proposed Lawful Development Certificate

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

Proposal

Erection of a rear outbuilding

As published by the council, reference 26/0832/192

Application record

Reference
26/0832/192
Type
Proposed Lawful Development Certificate
Status
Unlawful
Decision
Refused As published: Unlawful
Received
5 Mar 2026
Validated
5 Mar 2026
Decided
21 May 2026
Ward
West Finchley
Decision by
Delegated Decision
Postcode
N3 2BS

Site history

Applications at this address on the Barnet register

This site has had 3 applications since 2026: 0 approved, 2 refused.

  • 26/2542/192 Awaiting decision

    18 Redbourne Avenue London N3 2BS

    Erection of rear outbuilding

    Submitted 6 Jul 2026
  • 26/2082/192 Refused

    18 Redbourne Avenue London N3 2BS

    Erection of rear garden outbuilding

    Decided 1 Jul 2026 Lawful development

Timeline

Dates from the published record

  1. 5 Mar 2026

    Received by Barnet

  2. 21 May 2026

    Decision issued: Unlawful

  3. 25 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Iguana Architects Agent, an architecture practice registered in London

Active · incorporated 2017 · London

19 applications on PlanIndex · across 7 councils · 80% granted

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Documents

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

13 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

Barnet 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

  • 18 Redbourne Avenue London N3 2BS

    26/2082/192 Submitted 4 Jun 2026 50 yards away

    Erection of rear garden outbuilding

    Refused Lawful development 12 docs

  • 18 Redbourne Avenue London N3 2BS

    26/2542/192 Submitted 6 Jul 2026 50 yards away

    79% historically approved · decision due ~1 Sep

    Erection of rear outbuilding

    Awaiting decision

  • 25 Redbourne Avenue London N3 2BP

    25/4570/192 Submitted 17 Nov 2025 100 yards away

    Extension of the existing roof ridge to form rear gable window with new and replacement side facing rooflights. Changes to fenestration to side and rear elevation. Demolition of existing conservatory.

    Granted Lawful development Extension Loft or dormer +2 9 docs

  • 3 Redbourne Avenue London N3 2BP

    26/0639/192 Submitted 18 Feb 2026 100 yards away

    Roof extension involving rear dormer window, 3no. front facing rooflights and new side gable windows. Erection of a rear outbuilding following demolition of the existing sheds. Demolition of a chimney (AMENDED DESCRIPTION)

    Granted Lawful development Extension Loft or dormer +2 6 docs

  • 46A Ballards Lane London N3 2BJ

    26/1505/NMA Submitted 22 Apr 2026 100 yards away

    Non-material amendments to planning permission reference 25/1684/FUL dated 05.06.25 for 'Single storey front extension. Landscaping and addition of seating to adjacent public realm.' Amendments include change to development description to read "Amalgamation of the existing units to create a new Class E unit, together with single storey front extension, landscaping and addition of seating to adjacent public realm."

    Granted Amendments Extension 4 docs
    Small domestic

  • 52A Ballards Lane London N3 2BU

    25/4930/FUL Submitted 9 Dec 2025 100 yards away

    61% historically approved · decision due ~3 Feb

    Change of first floor use from a single dwellinghouse (Use Class C3) to a 5 bed HMO (House in Multiple Occupation (Use Class C4) for 5 people. Associated refuse/recyling store

    Awaiting decision Full applications 9 docs
    Domestic

In Barnet

  • 26/2679/192 Granted

    21 Myddelton Park London N20 0JH

    Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

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

    8 Golders Manor Drive London NW11 9HT

    Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)

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

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

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

    355 Hendon Way London NW4 3NB

    Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of chimney on rear elevation (AMENDED DESCRIPTION)

    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