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Planning application

88 Princes Park Avenue London NW11 0JX

Refused Barnet 26/0661/HSE Householder Application

Works: Extension Loft or dormer Demolition Windows or glazing 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

Part single, part two storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving two side dormer windows on either side of the roof slope and two rear dormers

As published by the council, reference 26/0661/HSE

Application record

Reference
26/0661/HSE
Type
Householder Application
Status
Refused
Decision
Refused As published: Refuse
Received
20 Feb 2026
Validated
20 Feb 2026
Decided
30 Mar 2026
Ward
Golders Green
Decision by
Delegated Decision
Postcode
NW11 0JX

Site history

Applications at this address on the Barnet register

This site has had 5 applications since 2025: 0 approved, 2 refused.

  • 26/3648/HSE Awaiting decision

    88 Princes Park Avenue London NW11 0JX

    Part single, part two storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving 2no. rear dormer windows, 2no. side dormer windows and 2no. front facing rooflights, 4no. side facing rooflights and 2no. rooflights to flat roof

    Submitted 8 Oct 2026 Householder
  • 26/1529/HSE Awaiting decision

    88 Princes Park Avenue London NW11 0JX

    Part single, part two storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving two rear dormer windows

    Submitted 24 Apr 2026 Householder
  • 26/0637/HSE Refused

    88 Princes Park Avenue London NW11 0JX

    Part single, part two-storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving two side dormer windows on either side of the roof slope and two rear dormers with juliette balconies

    Decided 24 Mar 2026 Householder
  • 25/4992/PNH Awaiting decision

    88 Princes Park Avenue London NW11 0JX

    2no. Single storey rear extensions with a proposed depth of 8.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres, following the demolition of the existing two storey rear extension and rear conservatory

    Submitted 12 Dec 2025 Prior approval

Timeline

Dates from the published record

  1. 20 Feb 2026

    Received by Barnet

  2. 30 Mar 2026

    Decision issued: Refuse

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Dimensions- Planning&Architecture Agent, an architecture practice

279 applications on PlanIndex · across 21 councils · 68% granted

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Documents

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

9 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 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

  • 88 Princes Park Avenue London NW11 0JX

    26/0637/HSE Submitted 18 Feb 2026 50 yards away

    Part single, part two-storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving two side dormer windows on either side of the roof slope and two rear dormers with juliette balconies

    Refused Householder Extension Loft or dormer +2 9 docs
    Small domestic

  • 88 Princes Park Avenue London NW11 0JX

    26/1529/HSE Submitted 24 Apr 2026 50 yards away

    77% historically approved · decision due ~19 Jun

    Part single, part two storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving two rear dormer windows

    Awaiting decision Householder Extension Loft or dormer +2 8 docs
    Small domestic

  • 88 Princes Park Avenue London NW11 0JX

    25/4992/PNH Submitted 12 Dec 2025 50 yards away

    56% historically approved · decision due ~11 Feb

    2no. Single storey rear extensions with a proposed depth of 8.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres, following the demolition of the existing two storey rear extension and rear conservatory

    Awaiting decision Prior approval Extension Demolition 3 docs
    Small domestic

  • 88 Princes Park Avenue London NW11 0JX

    26/3648/HSE Submitted 8 Oct 2026 50 yards away

    77% historically approved · decision due ~3 Dec

    Part single, part two storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving 2no. rear dormer windows, 2no. side dormer windows and 2no. front facing rooflights, 4no. side facing rooflights and 2no. rooflights to flat roof

    Awaiting decision Householder Extension Loft or dormer +2
    Small domestic

  • 92 Princes Park Avenue London NW11 0JX

    26/0427/HSE Submitted 4 Feb 2026 50 yards away

    77% historically approved · decision due ~1 Apr

    Part single, part two storey side and rear extensions with 3no. rooflights. Partial conversion of the existing garage. Alterations to front bay windows and introduction of new front bay windows. New front entrance including new roof canopy and columns with associated ramp. Alterations to existing fenestration. New side windows. Roof alteration and extension including roof lights, and side and rear dormer windows. Installation of solar panels. Installation of Air conditioning and air source heat pump external units to side elevations

    Awaiting decision Householder Extension Loft or dormer +2 26 docs
    Domestic

  • 12 Park Way London NW11 0EX

    26/2518/PNH Submitted 3 Jul 2026 50 yards away

    2no. single storey rear extensions with a proposed depth of 8.00m, maximum height of 3.30m and eaves height of 3.00m

    Refused Prior approval Extension 19 docs
    Small domestic

In Barnet

  • 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
  • 26/3833/HSE Awaiting decision

    47 Holne Chase London N2 0QG

    Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

    22 Oct 2026 Householder
  • 26/3815/HSE Awaiting decision

    17 Hurstwood Road London NW11 0AS

    Single storey rear extension

    21 Oct 2026 Householder
  • 26/3800/HSE Awaiting decision

    29 Monks Avenue Barnet EN5 1BZ

    Single storey side and rear infill extension including new front porch following demolition of the side/rear storage.

    Received 20 Oct, published by the council 21 Oct 2026 Householder
  • 26/3791/HSE Awaiting decision

    149 Montrose Avenue Edgware HA8 0DZ

    New front hardstanding and vechicular access to provide off-street parking

    Received 20 Oct, published by the council 21 Oct 2026 Householder