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Planning application

71 Highview Avenue Edgware HA8 9TY

Refused Barnet 26/0990/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Roof extension involving rear dormer window and 2no. front facing rooflights

As published by the council, reference 26/0990/192

Application record

Reference
26/0990/192
Type
Proposed Lawful Development Certificate
Status
Unlawful
Decision
Refused As published: Unlawful
Received
16 Mar 2026
Validated
16 Mar 2026
Decided
13 Apr 2026
Ward
Edgware
Decision by
Delegated Decision
Postcode
HA8 9TY

Site history

Applications at this address on the Barnet register

This site has had 3 applications since 2026: 1 approved, 1 refused.

  • 26/3193/192 Awaiting decision

    71 Highview Avenue Edgware HA8 9TY

    Removal and alteration of existing pitched roof above existing two storey side extension (Phase 1). Roof extension including side and rear wraparound dormer window with juliette balcony, 1no. rooflight on flat roof and 2no. front facing rooflights (Phase 2). (Phase 2 to commence when Phase 1 completed)

    Submitted 1 Sep 2026
  • 26/0994/HSE Granted

    71 Highview Avenue Edgware HA8 9TY

    2no. Single storey rear extensions and 1no. Front extension (AMENDED DESCRIPTION)

    Decided 11 May 2026 Householder

Timeline

Dates from the published record

  1. 16 Mar 2026

    Received by Barnet

  2. 13 Apr 2026

    Decision issued: Unlawful

  3. 25 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

MBBM Studio Architects Ltd Agent, an architecture practice

29 applications on PlanIndex · across 8 councils · 67% granted

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Documents

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

7 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

  • 71 Highview Avenue Edgware HA8 9TY

    26/0994/HSE Submitted 16 Mar 2026 50 yards away

    2no. Single storey rear extensions and 1no. Front extension (AMENDED DESCRIPTION)

    Granted Householder Extension 8 docs
    Small domestic

  • 71 Highview Avenue Edgware HA8 9TY

    26/3193/192 Submitted 1 Sep 2026 50 yards away

    79% historically approved · decision due ~27 Oct

    Removal and alteration of existing pitched roof above existing two storey side extension (Phase 1). Roof extension including side and rear wraparound dormer window with juliette balcony, 1no. rooflight on flat roof and 2no. front facing rooflights (Phase 2). (Phase 2 to commence when Phase 1 completed)

    Awaiting decision Extension Loft or dormer +1

  • 57 Priory Field Drive Edgware HA8 9PT

    26/1242/HSE Submitted 31 Mar 2026 150 yards away

    77% historically approved · decision due ~28 May

    Single storey side and rear extension with 3no. rooflights. Changes to front fenestration including replacement of garage doors with windows

    Awaiting decision Householder Extension Loft or dormer +1 7 docs
    Small domestic

  • 3 Wildernesse Close Edgware HA8 9GP

    26/3425/HSE Submitted 18 Sep 2026 150 yards away

    77% historically approved · decision due ~13 Nov

    Installation of 1no. front facing rooflight

    Awaiting decision Householder Loft or dormer
    Domestic

  • 5 Wildernesse Close Edgware HA8 9GP

    25/5211/192 Submitted 11 Feb 2026 150 yards away

    Installation of 13no. solar panels to the roof

    Refused Lawful development 10 docs

  • 31 Highview Avenue Edgware HA8 9TX

    26/1332/PNH Submitted 10 Apr 2026 200 yards away

    Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.44 metres and eaves height of 3.00 metres, following the partial demolition the existing side/rear extension

    Refused Prior approval Extension Demolition 5 docs
    Small 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