112 Seymour Road, Hornsey, London, N8 0BG

1. 11 May 2026

   Received by Haringey

2. 24 Jul 2026

   Added to PlanIndex

3. 31 Jul 2026

   Decision issued: Approve

Haringey granted permission on 31 July 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.

• Flat B, 91 Warham Road, Hornsey, London, N4 1AS

  HGY/2026/1314 Submitted 8 May 2026 50 yards away

  Erection of rear dormer roof and outrigger extension with associated rear roof terrace and increase in ridge height to align with neighbouring property, along with associated alterations and refurbishment of the property.

  Granted Householder Extension Loft or dormer +1 7 docs
  Domestic

• 104, Hewitt Road, London, N8 0BN

  HGY/2021/2034 Submitted 1 Jul 2021 100 yards away

  Erection of front roof pediment with 2 no. rooflights.

  Granted Full applications Loft or dormer 7 docs

• First And Second Floor Flat, 122 Hewitt Road, Hornsey, London, N8 0BN

  HGY/2026/1502 Submitted 29 May 2026 100 yards away

  Erection of a loft L-shaped dormer, with the raising the shared parapet wall, replacement of first floor rear window with original sash window and the addition of a skylight to the first floor roof.

  Granted Full applications Loft or dormer Windows or glazing 8 docs

• 104, Hewitt Road, London, N8 0BN

  HGY/2021/1938 Submitted 1 Jul 2021 100 yards away

  Rear L-shaped dormer with roof lights on front slope, demolish existing ground floor extension, install new doors and window at ground floor rear (certificate of lawfulness: proposed use)

  Granted Lawful development Extension Loft or dormer +2 8 docs

• 513, Green Lanes, London, N4 1AN

  HGY/2021/1555 Submitted 5 May 2021 100 yards away

  Approval of details pursuant to condition 5 (soundproofing details) attached to planning permission HGY/2021/0066

  Granted Conditions 6 docs

• 513, Green Lanes, Hornsey, London, N4 1AN

  HGY/2025/2262 Submitted 16 Sep 2025 100 yards away

  Variation of condition 3 (hours of operation) of planning permission ref. HGY/2021/0066 for: Change of use of the ground floor of 513 Green Lanes, from a Licensed Betting Office (Sui Generis) to an Adult Gaming Centre (Sui Generis) operating from 09:00 am to 23:00 pm seven days a week; namely, to extend the hours of operation until 2:00 am for a temporary period of 18 months.

  Refused Amendments 8 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