79 Cavendish Road, Hornsey, London, N4 1RR

1. 21 Oct 2025

   Received by Haringey

2. 30 Jan 2026

   Decision issued: Approve

3. 10 Aug 2026

   Added to PlanIndex

Haringey granted permission on 30 January 2026, 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.

• Harringay Seventh Day Adventist Church, Cavendish Road, Hornsey, London, N4 1RS

  HGY/2025/2571 Submitted 13 Jan 2026 50 yards away

  83% historically approved · decision due ~10 Mar

  Change of Use from F1 (F - Public Worship or Religious Institution) to F2 (Community Use)

  Awaiting decision Full applications 7 docs

• Harringay Seventh Day Adventist Church, Cavendish Road, Hornsey, London, N4 1RS

  HGY/2026/0480 Submitted 9 Apr 2026 50 yards away

  83% historically approved · decision due ~4 Jun

  Change of use of existing church/community centre to office use at ground and lower ground floors, with extension of upper floors to form 1x self-contained 2-bedroom residential unit, including associated internal and external alterations.

  Awaiting decision Full applications Extension 11 docs

• 70 Duckett Road, Hornsey, London, N4 1BW

  HGY/2023/0447 Submitted 16 Mar 2023 50 yards away

  L-shaped loft conversion with a roof terrace above the first floor outrigger, extension of the front roof over the bay window, installation of one roof light to the front slope and two small roof lights to either side of the front roof element.

  Granted Full applications Extension Loft or dormer +1 6 docs

• 70 Duckett Road, Hornsey, London, N4 1BW

  HGY/2023/0510 Submitted 21 Feb 2023 50 yards away

  Replacement of existing rear extension with a wraparound ground floor extension and replacement of rear windows on first floor level with the addition of juliette balconies.

  Refused Full applications Extension Windows or glazing 7 docs

• 90 Duckett Road, Hornsey, London, N4 1BW

  HGY/2026/0024 Submitted 7 Jan 2026 50 yards away

  Certificate of lawfulness for existing use of property as HMO (C4) for 6 occupants.

  Granted Lawful development 5 docs

• 51, Cavendish Road, London, N4 1RP

  HGY/2021/2268 Submitted 30 Jul 2021 50 yards away

  Erection of a 2 bedroom house in the rear garden

  Refused Full applications 78 docs

• HGY/2026/2285 Granted

  13 Woollaston Road, Hornsey, London, N4 1SD

  Certificate of Lawfulness (proposed) for loft conversion with rear dormer extension.

  Received 14 Aug, published by the council 22 Aug 2026 Lawful development
• HGY/2026/2357 Granted

  40 Falmer Road, Tottenham, London, N15 5BA

  Lawful development Certification for proposed erection of rear roof extension and insertion of front rooflight

  Received 21 Aug, published by the council 4 Oct 2026 Lawful development
• HGY/2026/2692 Granted

  125 High Cross Road, Tottenham, London, N17 9NR

  Lawful development: Proposed use for change of use within Class E to a Nail shop (Class E(c)(iii))

  Received 29 Sep, published by the council 4 Oct 2026 Lawful development
• HGY/2026/2637 Granted

  30 Gloucester Road, Tottenham, London, N17 6DH

  Lawful development: Proposed use. Loft conversion including 2x roof lights and L-shaped box dormer to the rear roof slopes with materials to match existing materials on main roof

  Received 21 Sep, published by the council 4 Oct 2026 Lawful development
• HGY/2026/2420 Granted

  50 St Loys Road, Tottenham, London, N17 6UD

  Certificate of Lawfulness: Proposed erection of an L-shaped rear dormer including the insertion of 2nos. front rooflights.

  Received 28 Aug, published by the council 7 Sep 2026 Lawful development