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Planning application

15 Haslemere Avenue London NW4 2PU

Refused Barnet 26/2534/HSE Householder

Works: Extension Small domestic

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

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

Proposal

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

As published by the council, reference 26/2534/HSE

Application record

Reference
26/2534/HSE
Category
Householder
Status
Refused
Decision
Refused
Received
6 Jul 2026
Validated
10 Jul 2026
Postcode
NW4 2PU

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2026: 1 approved, 1 refused.

  • 26/1594/192 Granted

    15 Haslemere Avenue London NW4 2PU

    Erection of a rear outbuilding

    Decided 26 Jun 2026 Lawful development

Timeline

Dates from the published record

  1. 6 Jul 2026

    Received by Barnet

  2. 10 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 1 Aug 2026

    Added to PlanIndex

  4. 12 Oct 2026

    Status changed to Refused

    Previously Pending Consideration.

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 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

  • 31 Haslemere Avenue London NW4 2PU

    26/2487/HSE Submitted 1 Jul 2026 50 yards 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 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.

    Decided Householder Extension Loft or dormer +2
    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

  • 26/3476/HSE Granted

    116 Chase Way London N14 5DH

    Single storey rear extension with 2no. rooflights. Changes to fenestration; new doors, 3no. new windows to rear elevation

    Received 24 Sep, published by the council 25 Sep 2026 Householder
  • 26/4019/HSE Awaiting decision

    38 Asmuns Hill London NW11 6ET

    Replacement of windows with vacuum-glazed windows (excluding subframes) and new french doors to rear

    6 Nov 2026 Householder
  • 26/4023/HSE Awaiting decision

    61 Bullescroft Road Edgware HA8 8RN

    Single storey front, side and rear wraparound extension incorporating porch following conversion of the existing garage, including window to replace garage door

    6 Nov 2026 Householder
  • 26/4015/HSE Awaiting decision

    6 Raeburn Close London NW11 6UG

    Alterations to the rear ground floor elevation, including replacement of the existing door and two windows with timber framed French doors and windows. Replacement of existing single glazed windows with new double glazed timber windows. Replacement of the existing rear patio doors with double glazed timber doors. Formation of a new rear patio. Addition of new bin storage at front

    Received 5 Nov, published by the council 6 Nov 2026 Householder
  • 26/4012/HSE Awaiting decision

    59 Hendon Way London NW2 2LX

    Two storey side and rear extension. New front porch

    5 Nov 2026 Householder