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Planning application

26/1092/HSE

31 Haslemere Avenue London NW4 2PU

Granted Barnet Householder Application

Proposal

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

As published by the council, reference 26/1092/HSE

Timeline

Dates from the published record

  1. 23 Mar 2026

    Received by Barnet

  2. 13 May 2026

    Decision issued: Approve subject to conditions

  3. 25 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 26/2534/HSE Awaiting decision

    15 Haslemere Avenue London NW4 2PU

    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

    6 Jul 2026 59m away Householder
  • 26/1594/192 Awaiting decision

    15 Haslemere Avenue London NW4 2PU

    Erection of a rear outbuilding

    28 Apr 2026 81m away Lawful development
  • 26/2610/FUL Awaiting decision

    89 And 91 Renters Avenue London NW4 3RD

    Single storey rear extension to both properties

    13 Jul 2026 172m away Full applications
  • 26/2620/FUL Awaiting decision

    89 And 91 Renters Avenue London NW4 3RD

    Two storey rear extension to both properties

    13 Jul 2026 172m away Full applications
  • 26/2658/FUL Awaiting decision

    Land Adjacent To 91 Renters Avenue London NW4 3RD

    Erection of a 3 storey dwelling house with associated amenity space, off street parking, hard and soft landscaping and refuse/recycling and cycle storage

    16 Jul 2026 172m away Full applications
  • 26/1094/CON Awaiting decision

    13 Shirehall Lane London NW4 2PE

    Submission of details of conditions 10 (Hard and Soft Landscaping), 19 (Ecological Enhancement Features) and 20 (Low Impact Lighting Strategy) pursuant to planning permission 23/5399/FUL dated 01/05/24

    23 Mar 2026 197m away Conditions

In Barnet

  • 26/2837/HSE Awaiting decision

    26 The Drive Barnet EN5 4JQ

    Single storey side and rear extension with 7no. rooflights

    31 Jul 2026 Householder
  • 26/2840/HSE Awaiting decision

    19 Wildwood Road London NW11 6UL

    Replacement of the existing front door, double glazing to existing windows and internal secondary glazing to front elevations; roof covering replacements, soffit and gutter repairs; security cameras, garden shed repairs and repainting, rear boundary hedges to 2.5m with concealed metal fencing

    31 Jul 2026 Householder
  • 26/2813/HSE Awaiting decision

    3 Delamere Gardens London NW7 3EA

    Single storey front extension incorporating a front porch, raising existing side extension floor level to match main house level, new roof with increased height to the side extension and 2no. rooflights, single storey rear extension with 4no. rooflights with new patio area, access steps to garden and hard and soft landscaping. Changes to fenestration: replacement of existing windows

    30 Jul 2026 Householder
  • 26/2812/HSE Awaiting decision

    60 Millway London NW7 3RA

    Two storey side extension linking to house and single storey rear infill extension following demolition of the existing garage. Associated alterations to roof

    30 Jul 2026 Householder
  • 26/2803/HSE Awaiting decision

    15 Poynings Way London N12 7LP

    Part single, part two storey side and rear extension. Conversion and extension of the existing garage, insertion of window to replace garage door. New front porch

    29 Jul 2026 Householder