147 Devonshire Hill Lane, Tottenham, London, N17 7NL

1. 19 Nov 2025

   Received by Haringey

2. 26 Nov 2025

   Decision issued: Permitted Development

3. 10 Aug 2026

   Added to PlanIndex

Haringey granted permission on 26 November 2025, 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.

• 122 Devonshire Hill Lane, Tottenham, London, N17 7NH

  HGY/2026/0381 Submitted 12 Feb 2026 50 yards away

  Creation of a vehicular crossover.

  Refused Householder 7 docs
  Domestic

• 20 Devonshire Gardens, Tottenham, London, N17 7NB

  HGY/2026/0897 Submitted 27 Apr 2026 50 yards away

  Construction of new vehicle hardstanding, concrete access ramp and handrails

  Granted Householder 11 docs
  Domestic

• 23, Devonshire Road, London, N17 7ND

  HGY/2021/1135 Submitted 1 Jun 2021 100 yards away

  Erection of a garden studio space to provide auxiliary living accommodation.

  Refused Full applications 13 docs

• 40 Devonshire Road, Tottenham, London, N17 7ND

  HGY/2026/1572 Submitted 3 Jun 2026 100 yards away

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

  Granted Lawful development Extension Loft or dormer 4 docs

• Nisa Local, Unit 1 Emer Court, Rowland Road, London, N17 7AW

  HGY/2021/2690 Submitted 16 Aug 2021 100 yards away

  Retrospective application for display of signage to include lightbox fascia sign above main entrance and parking signs (AMENDED DESCRIPTION).

  Granted Advertising 11 docs

• 24 Devonia Gardens London N18 1AF

  24/00430/HOU Submitted 13 Feb 2024 150 yards away

  Replacement of the single storey structure with a larger single storey wrap around extension.

  Granted Householder Extension 9 docs
  Small domestic

• 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