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Planning application

11 Rosslyn Avenue Barnet EN4 8DH

Awaiting decision Barnet 25/5160/HSE Householder Application

Works: Extension Windows or glazing Small 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

Single storey front and rear extension and extension of existing patio area. Raising of the side garage roof. Changes to fenestration and creation of new openings

As published by the council, reference 25/5160/HSE

Application record

Reference
25/5160/HSE
Type
Householder Application
Status
Pending Consideration
Received
23 Dec 2025
Validated
23 Dec 2025
Ward
East Barnet
Postcode
EN4 8DH

Site history

Applications at this address on the Barnet register

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

  • 25/4618/192 Granted

    11 Rosslyn Avenue Barnet EN4 8DH

    Roof extension involving hip to gable to both sides, rear dormer window with 3 front facing rooflights following demolition of existing chimney on rear roofslope.

    Decided 3 Dec 2025 Lawful development

Timeline

Dates from the published record

  1. 23 Dec 2025

    Received by Barnet

  2. 10 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 17 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

AS Architectual Services Ltd Agent

1 application on PlanIndex

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Documents

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

10 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

  • 11 Rosslyn Avenue Barnet EN4 8DH

    25/4618/192 Submitted 19 Nov 2025 50 yards away

    Roof extension involving hip to gable to both sides, rear dormer window with 3 front facing rooflights following demolition of existing chimney on rear roofslope.

    Granted Lawful development Extension Loft or dormer +2 10 docs

  • 9A Rosslyn Avenue Barnet EN4 8DH

    26/0975/192 Submitted 16 Mar 2026 50 yards away

    Roof extension involving 2no. hip to gable extensions and 1no. rear dormer window and 3no. front facing rooflights (amended)

    Granted Lawful development Extension Loft or dormer +1 13 docs

  • 33 Rosslyn Avenue Barnet EN4 8DH

    26/3216/NMA Submitted 2 Sep 2026 50 yards away

    65% historically approved · decision due ~2 Nov

    Non-material amendments to planning permission reference 24/1856/HSE dated 10/07/24 for 'Single storey rear extension with new raised terrace area with associated access steps'. Amendments include change to size of door opening, colour of proposed rear door frame and window. Changes to the balustrade design (amended description).

    Decided Amendments Extension Windows or glazing
    Small domestic

  • 28 Church Hill Road Barnet EN4 8TB

    26/1300/FUL Submitted 8 Apr 2026 150 yards away

    63% historically approved · decision due ~3 Jun

    Single storey rear infill extension following the demolition of existing lean to extension. Raising of existing rear extension roof. Conversion of existing store room to bin storage area with new double doors

    Awaiting decision Full applications Extension Demolition 19 docs
    Small domestic

  • 62 Capel Road Barnet EN4 8JE

    26/1337/192 Submitted 10 Apr 2026 150 yards away

    Erection of a rear outbuilding

    Granted Lawful development 7 docs

  • Winston House 53 - 63 Church Hill Road Barnet EN4 8SZ

    26/0862/LIC Submitted 6 Mar 2026 150 yards away

    Removal and replacement of 3no. antennas, the relocation of 1no. existing GPS node and other associated ancillary development thereto

    Decided

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