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Planning application

10 Squirrels Close London N12 8AY

Granted Barnet 26/0520/HSE Householder Application

Works: Extension Loft or dormer Windows or glazing Small domestic

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

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Single storey rear extension. Roof extension involving hip to gable, rear dormer window reduction, 3no. front facing rooflights and new side gable window. Conversion of the existing garage into habitable room, insertion of window and door to replace garage door. Removal of rear decking and levelling of rear garden (AMENDED DESCRIPTION)

As published by the council, reference 26/0520/HSE

Application record

Reference
26/0520/HSE
Type
Householder Application
Status
Approved subject to conditions
Decision
Granted As published: Approve subject to conditions
Received
10 Feb 2026
Validated
16 Feb 2026
Decided
23 Apr 2026
Ward
Totteridge & Woodside
Decision by
Delegated Decision
Postcode
N12 8AY

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2025: 1 approved, 1 refused.

  • 25/4379/192 Refused

    10 Squirrels Close London N12 8AY

    Single storey rear extension. Roof extension involving hip to gable, rear dormer window and replacement and insertion of 3no. front facing rooflights and new side gable window. Conversion of the existing garage into habitable room, insertion of window to replace garage door. New outbuilding

    Decided 31 Dec 2025 Lawful development

Timeline

Dates from the published record

  1. 10 Feb 2026

    Received by Barnet

  2. 16 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 23 Apr 2026

    Decision issued: Approve subject to conditions

  4. 10 Aug 2026

    Added to PlanIndex

Documents

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

15 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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Open the documents

What this grant of permission means

Barnet granted permission on 23 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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

  • 10 Squirrels Close London N12 8AY

    25/4379/192 Submitted 3 Nov 2025 50 yards away

    Single storey rear extension. Roof extension involving hip to gable, rear dormer window and replacement and insertion of 3no. front facing rooflights and new side gable window. Conversion of the existing garage into habitable room, insertion of window to replace garage door. New outbuilding

    Refused Lawful development Extension Loft or dormer +1 14 docs
    Small domestic

  • Trehaven St Andrews Close London N12 8BA

    TPP/0568/25 Submitted 9 Sep 2025 50 yards away

    1 x Diseased Deodar Cedar - Remove. Standing in T159 of Tree Preservation Order. (Exempt Work)

    Decided Trees 9 docs

  • Trehaven St Andrews Close London N12 8BA

    25/4717/192 Submitted 25 Nov 2025 50 yards away

    Roof extension involving rear dormer window, 2no. front and 1no. rear and 1no. side facing rooflight

    Granted Lawful development Extension Loft or dormer +1 16 docs

  • 14 Highwood Avenue London N12 8QP

    24/1928/HSE Submitted 16 May 2024 100 yards away

    Single storey rear extension with 2no. rooflights and new patio area following the demolition of the existing rear bay window and outrigger. Changes to front fenestration

    Granted Householder Extension Loft or dormer +2 6 docs
    Small domestic

  • Claire Court Woodside Avenue London N12 8TD

    TPP/0743/25 Submitted 6 Nov 2025 150 yards away

    1 x Cypress (applicants ref. T4) - Fell to ground level. Standing in Group G100 of Tree Preservation Order.

    Granted Trees 9 docs

  • Aldwick Court Sonia Gardens London N12 8BB

    TPP/0740/25 Submitted 5 Nov 2025 150 yards away

    1 x Sycamore - Reduce overall crown volume by approximately 5 metres (30%) to alleviate mechanical stress and improve balance. Undertake major thinning to reduce wind loading and improve light penetration by 15%. Remove all major dead wood throughout the crown to reduce risk of branch failure. Standing in Group G126 of Tree Preservation Order (amended description)

    Granted Trees 7 docs

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
  • 26/3827/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
  • 26/3841/HSE Awaiting decision

    Manor House West Heath Close London NW3 7NJ

    New metal framed pergola to upper ground floor rear terrace

    Received 22 Oct, published by the council 23 Oct 2026 Householder