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Planning application

31 Haslemere Avenue London NW4 2PU

Decided Barnet 26/2487/HSE Householder

Works: Extension Loft or dormer Roofing Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

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 raised 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 hip to gable to both sides, rear dormer windows, 3no. front and 1no. rear facing rooflights and new side gable window. Changes to fenestration.

As published by the council, reference 26/2487/HSE

Application record

Reference
26/2487/HSE
Category
Householder
Status
Approved subject to conditions
Received
1 Jul 2026
Validated
1 Jul 2026
Postcode
NW4 2PU

Site history

Applications at this address on the Barnet register

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

  • 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
  • 26/0503/192 Granted

    31 Haslemere Avenue London NW4 2PU

    Roof extension involving raised gables, rear dormer window, 3no. front facing rooflights and new side gable window

    Decided 6 Mar 2026 Lawful development

Timeline

Dates from the published record

  1. 1 Jul 2026

    Received by Barnet

  2. 9 Aug 2026

    Added to PlanIndex

  3. 11 Sep 2026

    Status changed to Approved subject to conditions

    Previously Pending Consideration.

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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 15 Haslemere Avenue London NW4 2PU

    26/2534/HSE Submitted 6 Jul 2026 50 yards away

    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

    Refused Householder Extension
    Small domestic

  • 15 Haslemere Avenue London NW4 2PU

    26/1594/192 Submitted 28 Apr 2026 50 yards away

    Erection of a rear outbuilding

    Granted Lawful development 5 docs

  • 31 Haslemere Avenue London NW4 2PU

    26/0503/192 Submitted 9 Feb 2026 50 yards away

    Roof extension involving raised gables, rear dormer window, 3no. front facing rooflights and new side gable window

    Granted Lawful development Extension Loft or dormer +1 5 docs

  • 31 Haslemere Avenue London NW4 2PU

    26/1092/HSE Submitted 23 Mar 2026 50 yards away

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

    Granted Householder Extension 11 docs
    Small domestic

  • 9 Mayfield Gardens London NW4 2PY

    26/3754/HSE Submitted 16 Oct 2026 100 yards away

    77% historically approved · decision due ~11 Dec

    Part single, part two storey rear extension. Single side extension. New front porch. Alterations and extension to roof including side and rear dormer windows and front, side and rear rooflights

    Awaiting decision Householder Extension Loft or dormer +1
    Small domestic

  • 9 Mayfield Gardens London NW4 2PY

    26/3760/HSE Submitted 16 Oct 2026 100 yards away

    77% historically approved · decision due ~11 Dec

    Part single part two storey side and rear extension. New front porch, Two storey front bay extension. Alterations to roof including 2no. side dormer windows, rear dormer window and front and side facing rooflights.

    Awaiting decision Householder Extension Loft or dormer +1
    Small domestic

In Barnet

  • 26/3853/HSE Awaiting decision

    30 Goldsmith Avenue London NW9 7HB

    Single storey rear extension following demolition of the existing extension

    23 Oct 2026 Householder
  • 26/3856/HSE Awaiting decision

    229 Hale Drive London NW7 3EH

    Single storey rear extension

    23 Oct 2026 Householder
  • 26/3863/HSE Awaiting decision

    12 Vale Drive Barnet EN5 2ED

    Single storey side and rear extension

    Received 23 Oct, published by the council 24 Oct 2026 Householder
  • 26/3858/HSE Awaiting decision

    131 Rushgrove Avenue London NW9 6RG

    Single storey rear extension. New front porch

    Received 23 Oct, published by the council 24 Oct 2026 Householder
  • 26/3827/HSE Awaiting decision

    43 Hermitage Lane London NW2 2HE

    Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

    22 Oct 2026 Householder