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Planning application

Woodstock 5 Willenhall Avenue Barnet EN5 1JN

Awaiting decision Barnet 25/5140/HSE Householder Application

Works: Extension Loft or dormer Windows or glazing Domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Roof extension involving increase of eaves and ridge levels including new rotunda roof above entrance bay window and 2no. rear dormer windows

As published by the council, reference 25/5140/HSE

Application record

Reference
25/5140/HSE
Type
Householder Application
Status
Pending Consideration
Received
22 Dec 2025
Validated
22 Dec 2025
Ward
Barnet Vale
Postcode
EN5 1JN

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • 26/1136/192 Granted

    Woodstock 5 Willenhall Avenue Barnet EN5 1JN

    Erection of a rear outbuilding

    Decided 14 Apr 2026 Lawful development

Timeline

Dates from the published record

  1. 22 Dec 2025

    Received by Barnet

  2. 10 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 16 February 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Barnet took a median of 46 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Atelier Twenty Ltd Agent, registered in London

Active · incorporated 2019 · London

7 applications on PlanIndex · across 4 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

13 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 happens while it is decided

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

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

  • Woodstock 5 Willenhall Avenue Barnet EN5 1JN

    26/1136/192 Submitted 25 Mar 2026 50 yards away

    Erection of a rear outbuilding

    Granted Lawful development 7 docs

  • Capstone 9 Willenhall Avenue Barnet EN5 1JN

    21/5871/NMA Submitted 4 Nov 2021 50 yards away

    Non-material amendments to planning permission reference 20/5930/FUL dated 07/09/2021 for 'Demolition of the existing dwelling and erection of 3no two storey detached houses with basement level. Associated landscaping, parking, bike store and refuse and recycling'. Amendments include any pre-occupation conditions attached to the existing consent are phased on a plot by plot basis

    Granted Amendments Demolition 3 docs
    Domestic

  • Cobbetts 93 Lyonsdown Road Barnet EN5 1JT

    21/5876/CON Submitted 5 Nov 2021 50 yards away

    Submission of details of condition 6 (Cycle parking) 9 (Carbon dioxide reduction measures) pursuant to planning appeal APP/N5090/W/19/3235958 dated 11/12/2019 planning ref 19/2771/FUL

    Granted Conditions 4 docs

  • Willenhall Lodge 10 Great North Road Barnet EN5 1JP

    TPP/0668/25 Submitted 8 Oct 2025 50 yards away

    88% historically approved · decision due ~3 Dec

    1 x Beech - Reduce height by 3 meters and horizontally by 5meters. Remove major deadwood and shape and balance. Standing in T3 of Tree Preservation Order.

    Awaiting decision Trees 3 docs

  • 6 Willenhall Avenue Barnet EN5 1JN

    26/0137/HSE Submitted 14 Jan 2026 100 yards away

    77% historically approved · decision due ~11 Mar

    Single storey side extension with 2no. rooflights following demolition of the existing garage and external store

    Awaiting decision Householder Extension Loft or dormer +1 8 docs
    Small domestic

  • 83 Lyonsdown Road Barnet EN5 1JT

    TPP/0548/26 Submitted 10 Sep 2026 100 yards away

    79% historically approved · decision due ~5 Nov

    1 x Cedar (applicants ref. T1) - Complete removal to ground level. Standing in T30 of Tree Preservation Order.

    Awaiting decision Trees

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