Flat 1D Cromwell Avenue, London N6 5HN

1. 17 Apr 2026

   Received by Haringey

2. 29 May 2026

   Decision issued: Approve with Conditions

3. 24 Jul 2026

   Added to PlanIndex

Haringey granted permission on 29 May 2026, 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Ground Floor Flat A, 39 Cromwell Avenue, Hornsey, London, N6 5HN

  HGY/2025/3327 Submitted 1 Dec 2025 0m away

  T1 = to crown reduce 1 x Sycamore tree by approx. 2.0/mtrs & sever ivy at the base up to 1.0mtr light access general maintenance neighbouring property encroachment

  Granted Trees 5 docs

• 29 Cromwell Avenue, Hornsey, London, N6 5HN

  HGY/2026/0944 Submitted 22 Apr 2026 0m away

  Single storey ground floor rear infill extension, rear dormer and re-roofing at the rear, rooflights. Replacement of existing windows, front porch and associated internal and external alterations. (Amended Plans Received)

  Granted Householder Extension Loft or dormer +1 23 docs
  Small domestic

• 34 Cromwell Avenue, Hornsey, London, N6 5HL

  HGY/2026/0623 Submitted 5 Mar 2026 45m away

  Oak (T1): Reduce to previous points (approx. 1-2m)

  Granted Trees 3 docs

• 62 Cromwell Avenue, Hornsey, London, N6 5HL

  HGY/2023/0145 Submitted 17 Jan 2023 45m away

  Erection of a single storey, lean-to side infill extension to the ground floor.

  Refused Householder Extension 12 docs
  Small domestic

• 10 Cromwell Avenue, Hornsey, London, N6 5HL

  HGY/2024/3089 Submitted 11 Nov 2024 45m away

  T1 Plum, reduce height by 3m, balance sides T2 Bay, reduce height to previous points approx. 3m, reduce sides 2m T3 Holly, reduce height by 1m trim sides. All work cyclical maintenance.

  Granted Trees 3 docs

• 12 Cromwell Avenue, Hornsey, London, N6 5HL

  HGY/2024/2766 Submitted 8 Oct 2024 45m away

  Erection of single storey outbuilding in rear garden for use as home gym

  Granted Householder 8 docs
  Small domestic

• HGY/2026/1917 Granted

  30, 32 & 34 Elm Park Avenue, London, N15 6AU

  Erection of a ground floor rear extension at No. 32, first floor rear extensions across Nos. 30, 32 and 34 and the erection of a porch extension to the front of No.32.

  22 Jul 2026 Full applications
• HGY/2026/1085 Granted

  58 Ellenborough Road, Wood Green, London, N22 5EY

  Change of use of a single family dwellinghouse (Class C3) to a small House in Multiple Occupation (HMO) (Class C4) with 5 bedrooms for a maximum of 5 occupants including the provision of waste and cycle storage.

  7 May 2026 Full applications
• HGY/2026/0993 Granted

  80, Wightman Road, London, N4 1RU

  The conversion of an existing garage/store and erection of a first floor to form a three bedroom dwellinghouse

  7 Apr 2026 Full applications
• HGY/2026/1425 Awaiting decision

  63 Park Ridings, Wood Green, London, N8 0LB

  Change of use from a single dwelling (Use Class C3) to a House in Multiple Occupation (Use Class C4) (retrospective), with proposed refuse/recycling and cycle storage.

  11 Sep 2026 Full applications
• HGY/2026/2303 Awaiting decision

  8 Middle Lane, Hornsey, London, N8 8PL

  Erection of an additional set-back storey at roof level to provide 1 no. one-bedroom, two-person residential dwelling (Use Class C3), increasing the development approved under planning permission HGY/2025/2512 from four to five residential units, together with amendments to the approved scheme.

  11 Sep 2026 Full applications