16 Warham Road, Hornsey, London, N4 1AT

1. 7 Oct 2024

   Received by Haringey

2. 15 Oct 2024

   Decision issued: Permitted Development

3. 23 Sep 2026

   Added to PlanIndex

Haringey granted permission on 15 October 2024, 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.

• 33 Warham Road, Hornsey, London, N4 1AR

  HGY/2025/3267 Submitted 26 Nov 2025 50 yards away

  Erection of rear dormer with linked roof extension above outrigger projection, installation of 2 front rooflights.

  Granted Householder Extension Loft or dormer 7 docs
  Domestic

• 3 Warham Road, Hornsey, London, N4 1AR

  HGY/2023/0191 Submitted 20 Jan 2023 50 yards away

  Non-material amendment to planning permission ref: HGY/2022/2117 in order to change the wording of conditions 3 to read: "The development hereby approved shall be finished in accordance with material detailed in drawing no. WAR_PL_003 and WAR_PL_DAS unless otherwise agreed in writing by the Local Planning Authority" and condition 4 to be changed to: "Prior to its installation details of the air source heat pump shall be submitted to and approved in writing by the Local Planning Authority. Details shall include a noise assessment report, including acoustic data to demonstrate that the noise level from the operation of the air source heat pump hereby approved must not exceed 42dB LAeq (5 min) at 1 metre from the window of a habitable room on the façade of any neighbouring residential property. If, in the opinion of the Local Planning Authority the proposed air source heat pump will result in any noise nuisance to the occupant of any neighbouring dwelling the Applicant shall install noise mitigation measures in agreement with the Planning Authority. The development shall thereafter be carried out in accordance with such details as may be approved or any other approved details as submitted to the Local Planning Authority if an alternative to the chosen renewable energy is to be installed. "

  Granted Amendments Windows or glazing 2 docs
  Domestic

• 19 Warham Road, Hornsey, London, N4 1AR

  HGY/2024/2439 Submitted 15 Oct 2024 50 yards away

  Demolition of existing ground floor rear extension and erection of a new single storey side infill extension.

  Granted Householder Extension Demolition 11 docs
  Small domestic

• 21 Pemberton Road, Hornsey, London, N4 1AX

  HGY/2026/1082 Submitted 16 Apr 2026 50 yards away

  Addition of dormer extension and rooflights

  Refused Full applications Extension Loft or dormer 10 docs

• 57 Pemberton Road, Hornsey, London, N4 1AX

  HGY/2026/0254 Submitted 3 Feb 2026 50 yards away

  2nd floor roof terrace, to existing flat roof. (Revised Plans)

  Granted Householder 7 docs
  Domestic

• 37, Pemberton Road, Hornsey, London, N4 1AX

  HGY/2023/0249 Submitted 25 Jan 2023 50 yards away

  Non-Material Amendment to approved planning application reference HGY/2022/0905 for the replacement of approved toughened glass balustrade with a black metal railing balustrade at rear.

  Granted Amendments 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