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Planning application

47 Horsham Avenue London N12 9BG

Granted Barnet 25/3376/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

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

Proposal

Single storey rear extension with flat roof and raised rooflight following demolition of existing lean-to extension. Roof extension including 1no. rear dormer window with juliette balcony and 2no. rooflights to front roofslope. Alterations to rear landscaping including new rear patio/paving

As published by the council, reference 25/3376/HSE

Application record

Reference
25/3376/HSE
Type
Householder Application
Status
Approved subject to conditions
Decision
Granted As published: Approve subject to conditions
Received
12 Aug 2025
Validated
13 Aug 2025
Decided
19 Sep 2025
Ward
Woodhouse
Decision by
Delegated Decision
Postcode
N12 9BG

Timeline

Dates from the published record

  1. 12 Aug 2025

    Received by Barnet

  2. 13 Aug 2025

    Validated

    Checked as complete and ready for consideration.

  3. 19 Sep 2025

    Decision issued: Approve subject to conditions

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Studio 316 Agent, registered in Redruth

Active · incorporated 2021 · Redruth

5 applications on PlanIndex · across 4 councils

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Documents

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

16 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 grant of permission means

Barnet granted permission on 19 September 2025, 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

  • 36 Horsham Avenue London N12 9BE

    26/0689/192 Submitted 23 Feb 2026 50 yards away

    Roof extension involving rear dormer window and 3no. front facing rooflights

    Granted Lawful development Extension Loft or dormer +1 4 docs

  • 36 Horsham Avenue London N12 9BE

    26/0690/HSE Submitted 23 Feb 2026 50 yards away

    Single storey rear extension with new landing area with associated access steps following removal of the existing patio area

    Granted Householder Extension 8 docs
    Small domestic

  • 20 Ashurst Road London N12 9AX

    26/1815/192 Submitted 14 May 2026 100 yards away

    Roof extension involving removal and replacement of the existing rear dormer and insertion of 3no. front facing rooflights

    Granted Lawful development Extension Loft or dormer 5 docs

  • 28 Friern Barnet Lane London N11 3LX

    26/0339/RCU Submitted 29 Jan 2026 100 yards away

    65% historically approved · decision due ~8 Apr

    Erection of a rear outbuilding (Retrospective Application)

    Awaiting decision Amendments 3 docs

  • Flat 2 2 Ashurst Road London N12 9AX

    26/1864/FUL Submitted 18 May 2026 150 yards away

    Roof extension with rear dormer with juliette balcony, outrigger dormer, 2no. side (1 to each side) and 3no. front facing rooflights

    Refused Full applications Extension Loft or dormer 18 docs

  • 61 Petworth Road London N12 9HE

    26/2275/PNH Submitted 17 Jun 2026 200 yards away

    Single storey rear extension with a proposed depth of 6.00m, maximum height of 4.00m and an eaves height of 3.00m

    Decided Prior approval Extension
    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