99 Pemberton Road, Hornsey, London, N4 1AY

1. 14 Sep 2026

   Received by Haringey

2. 23 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 9 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Haringey took a median of 55 days over the applications it decided in the last year.

This application is with Haringey for determination, against a statutory target of eight weeks. Over the last year Haringey decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 91 Pemberton Road, Hornsey, London, N4 1AY

  HGY/2026/2411 Submitted 28 Aug 2026 50 yards away

  91% historically approved · decision due ~23 Oct

  Single storey side infill extension with 3 no. rooflights

  Awaiting decision Householder Extension Loft or dormer 7 docs
  Small domestic

• 100, Warham Road, London, N4 1AU

  HGY/2022/3472 Submitted 3 Oct 2022 50 yards away

  Certificate of lawfulness for a proposed single storey rear extension and for internal changes to the existing property.

  Granted Lawful development Extension 7 docs
  Small domestic

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

  HGY/2021/1995 Submitted 1 Jul 2021 100 yards away

  Erection of single-storey wraparound extension

  Granted Full applications Extension 11 docs
  Small domestic

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

  HGY/2026/1314 Submitted 8 May 2026 100 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

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

  HGY/2024/2942 Submitted 25 Oct 2024 100 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 100 yards away

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

  Granted Full applications Extension 7 docs
  Small domestic

• HGY/2026/1799 Awaiting decision

  14 Kingsley Place, Hornsey, London, N6 5EA

  The installation of 20 x 460W solar panels on the flat roof of 14 Kingsley Place, together with the routing of external heat-pump pipework over the flat roof.

  Received 8 Oct, published by the council 11 Oct 2026 Householder
• HGY/2026/1048 Granted

  18 Muswell Avenue, Hornsey, London, N10 2EG

  Erection of a single storey lower ground floor rear extension with roof terrace and associated landscaping works, insertion of rear ground floor door to proposed terrace, alterations and replacement of rear dormer glazing and first floor rear window, and alterations to front garage door and lower ground window.

  Received 15 May, published by the council 24 Jul 2026 Householder
• HGY/2026/2213 Awaiting decision

  2 Parkwood Mews, Hornsey, London, N6 5UR

  Convert the basement into a basement flat (retrospective application).

  Received 5 Oct, published by the council 11 Oct 2026 Householder
• HGY/2026/2541 Awaiting decision

  132 Vartry Road, Tottenham, London, N15 6HA

  Erection of a single storey rear/side extension, together with the installation of a Sukkah roof

  Received 5 Oct, published by the council 11 Oct 2026 Householder
• HGY/2026/2240 Granted

  40 Cholmeley Park, Hornsey, London, N6 5ER

  Installation of a new painted timber sash window to the existing side dormer on the north elevation of the property at second floor level.

  Received 10 Aug, published by the council 31 Aug 2026 Householder