21 Arcadian Gardens, Wood Green, London, N22 5AG

1. 22 Sep 2026

   Received by Haringey

2. 23 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 17 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 53 days over the applications it decided in the last year.

This application is with Haringey for determination, against a statutory target of eight weeks. Over the last year Haringey decided lawful development applications in a median of 46 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 53 Arcadian Gardens, Wood Green, London, N22 5AG

  HGY/2026/0931 Submitted 6 May 2026 50 yards away

  Certificate of lawfulness for the proposed installation of three front rooflights and erection of a hip-to-gable roof extension and a L-shaped rear dormer on the main roof and rear outrigger.

  Granted Lawful development Extension Loft or dormer 10 docs

• 57 Arcadian Gardens, Wood Green, London, N22 5AG

  HGY/2022/4410 Submitted 13 Dec 2022 50 yards away

  Certificate of lawfulness for the existing use of the property as four self-contained 1-bedroom flats (Use Class C3).

  Granted Lawful development New dwelling 6 docs

• 53 Arcadian Gardens, Wood Green, London, N22 5AG

  HGY/2026/0930 Submitted 1 May 2026 50 yards away

  Erection of a single storey ground floor rear side infill extension.

  Granted Householder Extension 11 docs
  Small domestic

• Ground Floor Flat, 99 Arcadian Gardens, Wood Green, London, N22 5AG

  HGY/2025/3152 Submitted 14 Nov 2025 50 yards away

  Amalgamation of Ground Floor Flat and First Floor Flat 99 Arcadian Gardens into a single-family dwellinghouse, alterations to the existing window on the main façade at first-floor level, improvements to the front patio area, and the erection of a new bike shed with a green roof.

  Granted Full applications Windows or glazing 36 docs
  Small domestic

• 94 Arcadian Gardens, Wood Green, London, N22 5AD

  HGY/2025/3242 Submitted 11 Dec 2025 50 yards away

  Certificate of Lawfulness: (Existing use) Use as 5-room HMO for over 10 years.

  Granted Lawful development 5 docs

• 30 Maryland Road, Wood Green, London, N22 5AN

  HGY/2026/1274 Submitted 7 May 2026 50 yards away

  Erection of single storey extension which extends beyond the rear wall of the original house by 5m, for which the maximum height would be 3.1m and for which the height of the eaves would be 3m

  Refused Prior approval Extension 5 docs
  Small domestic

• HGY/2026/2109 Granted

  39 Coldfall Avenue, Hornsey, London, N10 1HS

  Certificate of Lawfulness (Proposed): Construction of a single-storey rear infill extension; formation of a rear roof dormer in connection with the conversion of the existing loft to habitable accommodation; installation of rooflights to the front roof slope; installation of associated windows and doors; internal alterations; and all associated building works.

  Received 27 Jul, published by the council 10 Aug 2026 Lawful development
• HGY/2026/1593 Refused

  Flats A/B/C 103 Myddleton Road, Wood Green, London, N22 8NE

  Certificate of lawfulness for the existing use of the property as 3x self-contained flats (comprising of (Flat A) 1x 2 bed flat, (Flat B) 1x 1 bed flat and (Flat C) 1x 3 bed flat in the outbuilding) for more than 4 years.

  Received 5 Jun, published by the council 24 Jul 2026 Lawful development
• HGY/2026/1925 Granted

  66 Summerhill Road, Tottenham, London, N15 4HG

  Certificate of Lawfulness: Existing use as a Class C4 HMO for up to 6 unrelated individuals

  Received 22 Jul, published by the council 24 Jul 2026 Lawful development
• HGY/2026/2471 Granted

  20 Bancroft Avenue, Hornsey, London, N2 0AS

  Certificate of lawfulness for the proposed rection of a new rear-side dormer extension, together with the installation of four front rooflights and two rear rooflights.

  Received 7 Sep, published by the council 17 Sep 2026 Lawful development
• HGY/2026/2117 Granted

  101 Alexandra Road, Wood Green, London, N8 0LG

  Certificate of Lawfulness (proposed) for construction of rear dormer roof extension.

  Received 24 Jul, published by the council 10 Aug 2026 Lawful development