19 Cromwell Avenue, Hornsey, London, N6 5HN

1. 1 Dec 2022

   Received by Haringey

2. 23 Feb 2023

   Decision issued: Approve with Conditions

3. 23 Sep 2026

   Added to PlanIndex

Haringey granted permission on 23 February 2023, 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.

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

  HGY/2025/3327 Submitted 1 Dec 2025 50 yards 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

• Flat 1D Cromwell Avenue, London N6 5HN

  HGY/2026/1091 Submitted 17 Apr 2026 50 yards away

  Installation of 2no. roof lights on the roof of the two storey rear outrigger.

  Granted Full applications Extension Loft or dormer 11 docs

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

  HGY/2026/0944 Submitted 22 Apr 2026 50 yards 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 50 yards 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 50 yards 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 50 yards 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

• HGY/2026/2613 Awaiting decision

  5 Berners Road, Wood Green, London, N22 5NE

  Single-storey side extension

  Received 22 Sep, published by the council 23 Sep 2026 Householder
• HGY/2026/2131 Granted

  2 Lealand Road, Tottenham, London, N15 6JS

  Single-storey ‘wrap-around’ infill extension to rear of dwelling house.

  Received 27 Jul, published by the council 10 Aug 2026 Householder
• HGY/2026/1040 Granted

  208 Boundary Road, Tottenham, London, N22 6AJ

  Erection of a single storey rear wraparound extension.

  Received 13 Apr, published by the council 24 Jul 2026 Householder
• HGY/2026/2013 Granted

  32 Elm Park Avenue, Tottenham, London, N15 6AU

  Erection of Type 3 roof extension

  Received 24 Jul, published by the council 28 Jul 2026 Householder
• HGY/2026/1813 Granted

  2 Tancred Road, Hornsey, London, N4 1EH

  Alterations and extensions to single dwellinghouse comprising: lower-ground floor excavation with front lightwell and escape window; lower-ground floor, ground floor and loft/second floor rear extensions; hip-to-gable roof conversion with L-shaped rear dormer; external wall insulation to side and rear elevations with rendered and brick finish; and new bicycle and bin storage box in front garden.

  Received 29 Jun, published by the council 24 Jul 2026 Householder