Guildens Development Site, Courtenay Avenue, Hornsey, London, N6 4LP

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

• HGY/2025/2137 Granted

  Guildens Development Site, Courtenay Avenue, Hornsey, London, N6 4LP

  Details pursuant to condition 11a (Energy Strategy) of planning permission HGY/2023/2929 for Demolition of existing retained front façade of old dwelling, and erection of new two-storey dwelling with basement level with associated soft and hard landscaping.

  Decided 4 Nov 2025 Conditions

1. 13 Aug 2025

   Received by Haringey

2. 21 Oct 2025

   Decision issued: Approve with Conditions

3. 10 Aug 2026

   Added to PlanIndex

Haringey granted permission on 21 October 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.

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.

• 2 Courtenay Avenue, Hornsey, London, N6 4LP

  HGY/2024/2118 Submitted 31 Jul 2024 50 yards away

  Works to trees protected by a TPO. G1 Leylandii Hedge: Fell to ground level. Reasons: Unsuitable for landscape scheme, planted as a hedge, become overgrown and patchy

  Granted Trees 8 docs

• Bracken Knoll, Courtenay Avenue, Hornsey, London, N6 4LP

  HGY/2025/2796 Submitted 13 Oct 2025 50 yards away

  New front garden boundary wall with new gates, including felling and planting of new trees.

  Granted Householder Trees 8 docs
  Small domestic

• 2 Courtenay Avenue, Hornsey, London, N6 4LP

  HGY/2022/4316 Submitted 5 Dec 2022 50 yards away

  Extension and refurbishment work to existing dwelling, including: installation of new roof to main house, erection of second floor side extension, erection of part ground floor and part first floor rear extension, construction of basement extension, replacement/new windows and other external alterations.

  Granted Householder Extension Roofing +1 15 docs
  Domestic

• 2 Courtenay Avenue, Hornsey, London, N6 4LP

  HGY/2023/0789 Submitted 21 Mar 2023 50 yards away

  Approval of details reserved by condition 7 (Arboricultural Method Statement & Tree Protection Plan) of HGY/2022/4316.

  Granted Conditions Trees 6 docs

• Bracken Knoll, Courtenay Avenue, Hornsey, London, N6 4LP

  HGY/2024/1530 Submitted 28 Jun 2024 50 yards away

  Approval of details pursuant to condition 3 (material details) attached to planning permission ref: HGY/2023/1519 granted on 9/10/2023, for the erection of ground floor rear extension, first floor rear extension, new side dormer and rear first floor terrace.

  Granted Conditions Extension Loft or dormer 5 docs

• Branksome, Courtenay Avenue, Hornsey, London, N6 4LP

  HGY/2023/0569 Submitted 24 Feb 2023 50 yards away

  Approval of details pursuant to condition 18b (Archeology) attached to planning permission ref: HGY/2021/1190 dated 6/10/2021 and as amended by ref: HGY/2021/3129 dated 15/11/2021 for the demolition of the existing dwelling house and erection of replacement dwelling house, including accommodation at basement, ground, first floor and roof levels with associated landscaping to front and rear garden areas.

  Granted Conditions Demolition 7 docs
  Domestic

• 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