17 Cornwall Avenue, Wood Green, London, N22 7DA

This site has had 2 applications since 2023: 1 approved, 0 refused.

• HGY/2023/0415 Granted

  17 Cornwall Avenue, Wood Green, London, N22 7DA

  Certificate of Lawfulness for proposed single storey rear extension

  Decided 15 Feb 2023 Lawful development

1. 24 Feb 2023

   Received by Haringey

2. 28 Mar 2023

   Decision issued: Not Required

3. 15 Aug 2026

   Added to PlanIndex

Haringey has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 25 Cornwall Avenue, Wood Green, London, N22 7DA

  HGY/2025/2116 Submitted 10 Sep 2025 50 yards away

  Non-Material Amendment to the application HGY/2025/0964 for 'erection of a single-storey ground floor rear extension and replacement of an existing garden room' as approved on 22/05/2025 for the increase of depth of the approved rear extension by 0.5 metres and retention of the pre-existing outrigger.

  Granted Amendments Extension 14 docs
  Small domestic

• 17 Cornwall Avenue, Wood Green, London, N22 7DA

  HGY/2023/0415 Submitted 10 Feb 2023 50 yards away

  Certificate of Lawfulness for proposed single storey rear extension

  Granted Lawful development Extension 8 docs
  Small domestic

• 13 Cornwall Avenue, Wood Green, London, N22 7DA

  HGY/2022/4516 Submitted 22 Dec 2022 50 yards away

  Certificate of lawfulness for the existing use of the property as two separate self-contained flats comprising a 1-bedroom ground-floor flat with access to the rear garden and a 1-bedroom first-floor flat.

  Granted Lawful development New dwelling 6 docs

• 15, Cornwall Avenue, London, N22 7DA

  HGY/2021/1763 Submitted 21 Jun 2021 50 yards away

  Erection of a single storey extension which extends beyond the rear wall of the original house by 5.15m, for which the maximum height would be 3m and for which the height of the eaves would be 2.9m

  Decided Prior approval Extension 7 docs
  Small domestic

• 25, Cornwall Avenue, London, N22 7DA

  HGY/2021/2811 Submitted 9 Aug 2021 50 yards away

  Certificate of lawfulness: proposed use. Loft conversion with main dormer, floor plan redesign and all associated works.

  Granted Lawful development Loft or dormer 8 docs

• 24 Northcott Avenue, Wood Green, London, N22 7DB

  HGY/2023/0110 Submitted 12 Jan 2023 50 yards away

  Certificate of lawfulness for formation of dormer in rear roof slope with Juliet balcony and installation of two roof lights in front roof slope.

  Granted Lawful development Loft or dormer 16 docs

• HGY/2026/2615 Awaiting decision

  Shop 519 Seven Sisters Road, Tottenham, London, N15 6EP

  Application to determine if prior approval is required for a proposed: Change of use from Commercial, Business and Service (Use Class E) to Dwellinghouses (Use Class C3) Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) - Schedule 2, Part 3, Class MA.

  Received 7 Oct, published by the council 11 Oct 2026 Prior approval
• HGY/2026/2584 Decided

  32 Barrenger Road, Hornsey, London, N10 1JA

  Erection of single storey extension which extends beyond the rear wall of the original house by 5m, for which the maximum height would be 3.5m and for which the height of the eaves would be 2.55m

  Received 15 Sep, published by the council 17 Sep 2026 Prior approval
• HGY/2026/2412 Refused

  34 Crowland Road, Tottenham, London, N15 6UT

  Erection of single storey extension which extends beyond the rear wall of the original house by 6m, for which the maximum height would be 3m and for which the height of the eaves would be 3m

  Received 28 Aug, published by the council 31 Aug 2026 Prior approval
• HGY/2026/2441 Refused

  100 Lealand Road, Tottenham, London, N15 6JT

  Erection of single storey extension which extends beyond the rear wall of the original house by 6m, for which the maximum height would be 3m and for which the height of the eaves would be 3m

  Received 14 Sep, published by the council 17 Sep 2026 Prior approval
• HGY/2026/2766 Awaiting decision

  6 Franklin Street, Tottenham, London, N15 6QH

  Erection of single storey extension which extends beyond the rear wall of the original house by 6m, for which the maximum height would be 3.5m and for which the height of the eaves would be 3m

  Received 6 Oct, published by the council 11 Oct 2026 Prior approval