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Planning application

8 Onslow Gardens, Hornsey, London, N10 3JU

Awaiting decision Haringey HGY/2026/2710 Householder planning permission

Works: Extension 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

Installation of zinc cladding, Juliet balcony and French doors to the existing rear outrigger.

As published by the council, reference HGY/2026/2710

Application record

Reference
HGY/2026/2710
Type
Householder planning permission
Status
Under Consultation
Received
30 Sep 2026
Validated
30 Sep 2026
Ward
Muswell Hill
Decision by
Delegated Decision
Postcode
N10 3JU

Timeline

Dates from the published record

  1. 30 Sep 2026

    Received by Haringey

  2. 11 Oct 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 25 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Haringey took a median of 55 days over the applications it decided in the last year.

Documents

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

11 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Haringey for determination, against a statutory target of eight weeks. Over the last year Haringey 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

  • 26 Onslow Gardens, Hornsey, London, N10 3JU

    HGY/2026/1715 Submitted 16 Jun 2026 50 yards away

    Certificate of Lawfulness for the proposed erection of a dormer extension to the rear and the installation of two rooflights on the front roof slope.

    Granted Lawful development Extension Loft or dormer 18 docs

  • 24 Onslow Gardens, Hornsey, London, N10 3JU

    HGY/2026/1408 Submitted 19 May 2026 50 yards away

    Enlargement of existing rear dormer and installation of a front dormer window.

    Granted Householder Loft or dormer Windows or glazing 10 docs
    Domestic

  • 24 Onslow Gardens, Hornsey, London, N10 3JU

    HGY/2026/1679 Submitted 15 Jun 2026 50 yards away

    Erection of a single storey rear and side extension and installation of rear rooflights to infill extension. (AMENDED DESCRIPTION)

    Granted Householder Extension Loft or dormer 7 docs
    Small domestic

  • 26 Onslow Gardens, Hornsey, London, N10 3JU

    HGY/2026/1669 Submitted 24 Jun 2026 50 yards away

    91% historically approved · decision due ~19 Aug

    Erection of a wrap around ground floor rear extension and extension of first floor rear outrigger; erection of two front roof lights.

    Awaiting decision Householder Extension Loft or dormer 14 docs
    Domestic

  • 24 Onslow Gardens, Hornsey, London, N10 3JU

    HGY/2026/0940 Submitted 1 Apr 2026 50 yards away

    Certificate of lawfulness for the proposed erection of a rear dormer.

    Granted Lawful development Loft or dormer 5 docs

  • 20, Onslow Gardens, London, N10 3JU

    HGY/2021/2396 Submitted 16 Aug 2021 50 yards away

    Non-material amendment following a grant of planning permission HGY/2021/1113 involving the retention of existing wall to allow for a bin store area

    Granted Amendments 4 docs

In Haringey

  • HGY/2026/1799 Awaiting decision

    14 Kingsley Place, Hornsey, London, N6 5EA

    The installation of 20 x 460W solar panels on the flat roof of 14 Kingsley Place, together with the routing of external heat-pump pipework over the flat roof.

    Received 8 Oct, published by the council 11 Oct 2026 Householder
  • HGY/2026/1048 Granted

    18 Muswell Avenue, Hornsey, London, N10 2EG

    Erection of a single storey lower ground floor rear extension with roof terrace and associated landscaping works, insertion of rear ground floor door to proposed terrace, alterations and replacement of rear dormer glazing and first floor rear window, and alterations to front garage door and lower ground window.

    Received 15 May, published by the council 24 Jul 2026 Householder
  • HGY/2026/2213 Awaiting decision

    2 Parkwood Mews, Hornsey, London, N6 5UR

    Convert the basement into a basement flat (retrospective application).

    Received 5 Oct, published by the council 11 Oct 2026 Householder
  • HGY/2026/2541 Awaiting decision

    132 Vartry Road, Tottenham, London, N15 6HA

    Erection of a single storey rear/side extension, together with the installation of a Sukkah roof

    Received 5 Oct, published by the council 11 Oct 2026 Householder
  • HGY/2026/2240 Granted

    40 Cholmeley Park, Hornsey, London, N6 5ER

    Installation of a new painted timber sash window to the existing side dormer on the north elevation of the property at second floor level.

    Received 10 Aug, published by the council 31 Aug 2026 Householder