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Planning application

31 Haslemere Avenue London NW4 2PU

Decided Barnet 26/0503/192 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 raised gables, rear dormer window, 3no. front facing rooflights and new side gable window

As published by the council, reference 26/0503/192

Application record

Reference
26/0503/192
Type
Proposed Lawful Development Certificate
Status
Lawful
Decision
Lawful
Received
9 Feb 2026
Validated
9 Feb 2026
Decided
6 Mar 2026
Ward
Hendon
Decision by
Delegated Decision
Postcode
NW4 2PU

Site history

Applications at this address on the Barnet register

This site has had 3 applications since 2026: 1 approved, 0 refused.

  • 26/2487/HSE Awaiting decision

    31 Haslemere Avenue London NW4 2PU

    Single storey front extension with new porch with canopy and front bay window. Part single, part two storey side and rear wraparound extensions with new rear terrace area with access steps to garden, 1no. rooflight and new roof. New hardstanding and alteration to the existing vehicular access to off-street parking. New side gate. Roof extension involving raised gables, rear dormer windows, 3no. front and 1no. rear facing rooflights and new side gable window. Changes to fenestration.

    Submitted 1 Jul 2026 Householder
  • 26/1092/HSE Granted

    31 Haslemere Avenue London NW4 2PU

    Single storey front and side extension and part single, part two storey rear extension

    Decided 13 May 2026 Householder

Timeline

Dates from the published record

  1. 9 Feb 2026

    Received by Barnet

  2. 6 Mar 2026

    Decision issued: Lawful

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, registered in London

31 applications on PlanIndex · across 7 councils · 67% granted

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Documents

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

5 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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After the decision

Barnet has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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

  • 31 Haslemere Avenue London NW4 2PU

    26/1092/HSE Submitted 23 Mar 2026 0m away

    Single storey front and side extension and part single, part two storey rear extension

    Granted Householder Extension 11 docs
    Small domestic

  • 31 Haslemere Avenue London NW4 2PU

    26/2487/HSE Submitted 1 Jul 2026 61m away

    77% historically approved · decision due ~26 Aug

    Single storey front extension with new porch with canopy and front bay window. Part single, part two storey side and rear wraparound extensions with new rear terrace area with access steps to garden, 1no. rooflight and new roof. New hardstanding and alteration to the existing vehicular access to off-street parking. New side gate. Roof extension involving raised gables, rear dormer windows, 3no. front and 1no. rear facing rooflights and new side gable window. Changes to fenestration.

    Awaiting decision Householder Extension Loft or dormer +2
    Small domestic

  • 15 Haslemere Avenue London NW4 2PU

    26/2534/HSE Submitted 6 Jul 2026 61m away

    77% historically approved · decision due ~4 Sep

    Single storey front, side and rear extension with new patio area. Two storey side and rear extension with first floor juliette balcony with glass balustrade

    Awaiting decision Householder Extension
    Small domestic

  • 15 Haslemere Avenue London NW4 2PU

    26/1594/192 Submitted 28 Apr 2026 81m away

    79% historically approved · decision due ~26 Jun

    Erection of a rear outbuilding

    Awaiting decision Lawful development 4 docs

  • 93C Shirehall Park London NW4 2QU

    26/2352/191 Submitted 22 Jun 2026 149m away

    79% historically approved · decision due ~19 Aug

    Single storey side extension

    Awaiting decision Extension
    Small domestic

  • 89 And 91 Renters Avenue London NW4 3RD

    26/2610/FUL Submitted 13 Jul 2026 171m away

    60% historically approved · decision due ~8 Sep

    Single storey rear extension to both properties

    Awaiting decision Full applications Extension
    Small domestic

In Barnet

  • 26/2679/192 Decided

    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 Decided

    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 Decided

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

    3 Jun 2026 Lawful development
  • 26/2066/192 Decided

    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
  • 26/1663/192 Decided

    152 Deans Lane Edgware HA8 9NT

    Change of use from single family dwellinghouse (Class C3a) to supported living accommodation Class C3b)

    5 May 2026 Lawful development