57 Dunloe Avenue, Tottenham, London, N17 6LB

1. 5 Jan 2023

   Received by Haringey

2. 1 Mar 2023

   Decision issued: Permitted Development

3. 23 Sep 2026

   Added to PlanIndex

Haringey granted permission on 1 March 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.

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.

• 35, Dunloe Avenue, London, N17 6LB

  HGY/2021/2402 Submitted 27 Jul 2021 50 yards away

  L-shaped dormer extension and loft conversion to terraced house (certificate of lawfulness: proposed use)

  Granted Lawful development Extension Loft or dormer 6 docs

• 77 Clonmell Road, Tottenham, London, N17 6JT

  HGY/2026/0133 Submitted 16 Jan 2026 100 yards away

  Erection of a single-storey rear infill wraparound extension and associated works.

  Granted Householder Extension 8 docs
  Small domestic

• 110 Clonmell Road, Tottenham, London, N17 6JU

  HGY/2022/4462 Submitted 19 Dec 2022 100 yards away

  Erection of single storey wraparound rear extension

  Granted Householder Extension 11 docs
  Small domestic

• Ground Floor Flat, 85 Gloucester Road, Tottenham, London, N17 6DA

  HGY/2023/0175 Submitted 19 Jan 2023 150 yards away

  Proposed Ground Floor Wrap around and 3m rear extension, 2.3m height of eaves and 3.3m highest point of roof.

  Granted Full applications Extension 7 docs

• Annexe, 44 Wilmot Road, Tottenham, London, N17 6LH

  HGY/2026/0376 Submitted 12 Feb 2026 150 yards away

  Erection of a 2m deep single storey extension to the rear of existing residential annexe, creation of a new main entrance door on the side of the annexe facing Downhills Avenue, and extension of its rear garden.

  Granted Householder Extension 10 docs
  Small domestic

• 5 Wilmot Road, Tottenham, London, N17 6LH

  HGY/2025/2396 Submitted 4 Sep 2025 150 yards away

  Certificate of Lawfulness (Proposed) for the replacement of the current rear extension

  Granted Lawful development Extension 9 docs

• HGY/2026/0445 Awaiting decision

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

  Lawful development: Existing use. The building at No. 21 Arcadian Gardens is and has been in use as a Use Class C4 House in Multiple Occupation.

  Received 22 Sep, published by the council 23 Sep 2026 Lawful development
• 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