First Floor Flat, 97 Mattison Road, Hornsey, London, N4 1BQ

1. 12 Dec 2025

   Received by Haringey

2. 13 May 2026

   Decision issued: Approve with Conditions

3. 24 Jul 2026

   Added to PlanIndex

Haringey granted permission on 13 May 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• First Floor Flat, 108 Mattison Road, Hornsey, London, N4 1BE

  HGY/2024/2942 Submitted 25 Oct 2024 50 yards away

  Erection of extension to existing rear dormer width, replacement of the external rear façade with timber cladding, replacement of existing patio doors with double glazed units and modification and replacement of existing roof lights with the reduction of 6 rooflights to 5.

  Granted Full applications Extension Loft or dormer +1 12 docs

• Flat A, 110 Mattison Road, Hornsey, London, N4 1BE

  HGY/2024/2928 Submitted 24 Oct 2024 50 yards away

  Proposed erection of a single storey ground floor side to rear wraparound extension.

  Granted Full applications Extension 7 docs
  Small domestic

• 100 Mattison Road, Hornsey, London, N4 1BE

  HGY/2025/3051 Submitted 10 Dec 2025 50 yards away

  Erection of a single storey rear wraparound extension to the ground floor flat and related works.

  Granted Householder Extension 9 docs
  Small domestic

• Ground Floor Flat, 108, Mattison Road, London, N4 1BE

  HGY/2021/1995 Submitted 1 Jul 2021 50 yards away

  Erection of single-storey wraparound extension

  Granted Full applications Extension 11 docs
  Small domestic

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

  HGY/2023/0447 Submitted 16 Mar 2023 100 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 100 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

• HGY/2026/2289 Granted

  William Atkinson House, Beaufoy Road, Tottenham, London, N17 8AE

  Removal of the existing glazed shelters on deck access/walkway entrances to all blocks and the replacement of all existing timber balustrades with new metal railing balustrades.

  Received 14 Aug, published by the council 22 Aug 2026 Full applications
• HGY/2026/2656 Awaiting decision

  1 Library Court, 391 High Road, Tottenham, London, N17 6QN

  Replacement of the timber front and side elevation windows with double glazed 'slimline' timber windows with vertical sliding sash and casement windows; timber windows on the rear elevation replaced with uPVC casement windows; Replacement of French Doors with double-glazed timber French doors; Rear exit door replaced with double-glazed uPVC door.

  Received 7 Oct, published by the council 11 Oct 2026 Full applications
• HGY/2026/2479 Granted

  First Floor Flat B, 21 Woodside Road, Wood Green, London, N22 5HP

  Erection of rear dormer, installation of 2 front rooflights

  Received 4 Sep, published by the council 10 Sep 2026 Full applications
• HGY/2026/1240 Granted

  92 The Avenue, Tottenham, London, N17 6TD

  Change of use from 5 Bed Single Dwelling House (Use Class C3) to 5 Bed House of Multiple Occupation (HMO - Use Class C4) for a maximum of six occupants

  Received 12 May, published by the council 24 Jul 2026 Full applications
• HGY/2026/2577 Awaiting decision

  195 Albert Road, Wood Green, London, N22 7AQ

  Proposed single storey side/rear extension

  Received 7 Oct, published by the council 11 Oct 2026 Full applications