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Planning application

46 Haslemere Avenue Barnet EN4 8EZ

Granted Barnet 26/1153/192 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, replacement rear dormer window with juliette balcony and new side gable window

As published by the council, reference 26/1153/192

Application record

Reference
26/1153/192
Type
Proposed Lawful Development Certificate
Status
Lawful
Decision
Lawful
Received
26 Mar 2026
Validated
27 Mar 2026
Decided
2 Apr 2026
Ward
Brunswick Park
Decision by
Delegated Decision
Postcode
EN4 8EZ

Site history

Applications at this address on the Barnet register

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

  • 26/1165/HSE Granted

    46 Haslemere Avenue Barnet EN4 8EZ

    Single storey rear extension with extended raised patio area with glass balustrade and external steps. Part conversion of the existing garage into a habitable room, including alterations to roof

    Decided 22 May 2026 Householder

Timeline

Dates from the published record

  1. 26 Mar 2026

    Received by Barnet

  2. 27 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 2 Apr 2026

    Decision issued: Lawful

  4. 25 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Vivendi Architects LTD Agent, an architecture practice

31 applications on PlanIndex · across 7 councils · 89% granted

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Documents

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

11 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 2 April 2026, 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 500 metres

  • 46 Haslemere Avenue Barnet EN4 8EZ

    26/1165/HSE Submitted 26 Mar 2026 0m away

    Single storey rear extension with extended raised patio area with glass balustrade and external steps. Part conversion of the existing garage into a habitable room, including alterations to roof

    Granted Householder Extension 14 docs
    Small domestic

  • 42 Haslemere Avenue Barnet EN4 8EZ

    25/4857/192 Submitted 4 Dec 2025 19m away

    80% historically approved · decision due ~30 Jan

    Roof extension involving hip to gable, rear dormer window, 1no. front facing rooflight and new side gable window

    Awaiting decision Lawful development Extension Loft or dormer +1 6 docs

  • 42 Haslemere Avenue Barnet EN4 8EZ

    25/4855/HSE Submitted 4 Dec 2025 19m away

    77% historically approved · decision due ~29 Jan

    Single storey front extension including new porch. Single storey rear extension with new terrace area and access steps. Part single, part two storey side extension

    Awaiting decision Householder Extension 8 docs
    Small domestic

  • 32 Haslemere Avenue Barnet EN4 8EZ

    26/1095/HSE Submitted 23 Mar 2026 69m away

    77% historically approved · decision due ~27 May

    Single storey front porch and rear extenision with access steps and patio area. Conversion of the existing garage into habitable room with new pitch roof and insertion of window to replace garage door

    Awaiting decision Householder Extension Windows or glazing 8 docs
    Small domestic

  • 32 Haslemere Avenue Barnet EN4 8EZ

    25/5105/PNH Submitted 18 Dec 2025 69m away

    58% historically approved · decision due ~13 Feb

    Single-storey rear extension measuring a maximum 6.0m in depth from rear wall, 3.85m maximum height and eaves height

    Awaiting decision Prior approval Extension 9 docs
    Small domestic

  • 32 Haslemere Avenue Barnet EN4 8EZ

    26/2512/192 Submitted 3 Jul 2026 101m away

    79% historically approved · decision due ~28 Aug

    Roof extension involving hip to gable, rear dormer window, 3no. front-facing rooflights and new side gable window following the removal of the chimney. Erection of a rear outbuilding. (Amended Description)

    Awaiting decision Extension Loft or dormer +1

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).

    20 Jul 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)

    21 May 2026 Lawful development
  • 26/2059/192 Refused

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

    3 Jun 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)

    3 Jun 2026 Lawful development
  • 26/2525/192 Granted

    39 Ridgeway Avenue Barnet EN4 8TN

    Single storey rear extension

    6 Jul 2026 Lawful development