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Planning application

HGY/2026/0203

Flat 1, 84 Hillfield Avenue, Hornsey, London, N8 7DN

Granted Haringey Householder planning permission

Proposal

Demolition of rear conservatory. Erection of rear extension with sedum roof. Alteration to front door position to replace 1no. bathroom window with internal alterations to add 1no. bedroom. Erection of outbuilding in the rear garden. (AMENDED DESCRIPTION)

As published by the council, reference HGY/2026/0203

Timeline

Dates from the published record

  1. 30 Jan 2026

    Received by Haringey

  2. 22 Jul 2026

    Decision issued: Approve with Conditions

  3. 24 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • HGY/2026/0738 Granted

    Flat C, 53 Hillfield Avenue, Hornsey, London, N8 7DS

    Replacement of two windows in flat C on the third floor. The windows are located the rear of the property, not visible from a public footpath or road. Replacement of timber sash windows to double glazed uPVC windows.

    16 Mar 2026 76m away Full applications
  • HGY/2026/0320 Granted

    6 Harold Road, Hornsey, London, N8 7DE

    Works to tree protected by a TPO T1 - Sycamore tree (12m) - reduce height of right stem by approximately 6m to remove dead section and reduce left stem by approximately 3m, removing any deadwood in the process.

    5 Feb 2026 115m away Trees
  • HGY/2024/2666 Granted

    22 Harold Road, Hornsey, London, N8 7DE

    T3 Pear tree - Overall crown reduction of being 3m in height and 1m from linear growth and managed triannually to combat subsidence damage to 81, 81A & 81B Hillfield Avenue, London, N8 7DS

    27 Sep 2024 115m away Trees
  • HGY/2026/1598 Awaiting decision

    Firemens Flats, Glebe Road, Hornsey, London, N8 7DD

    The proposed works include the replacement of windows throughout all elevations of the property with double glazed timber windows to match the existing appearance and fenestration. Front entrance doors will be replaced, roof repairs will be undertaken where necessary and an external wall insulation is to be installed to the building envelope. The external wall insulation system will incorporate the existing Tudor decorative style to retain the current appearance of the building.

    12 Jun 2026 120m away Full applications
  • HGY/2026/0992 Granted

    26 Hillfield Avenue, Hornsey, London, N8 7DT

    T1 in rear garden - reduce in height and width by approx. 2m in height and 2m from the lateral spread. Justification: To tidy and contain and shape, routine maintenance

    7 Apr 2026 163m away Trees
  • HGY/2026/0454 Granted

    Hornsey Police Station, 98, Tottenham Lane, London, N8 7EJ

    Approval of details pursuant to condition 28 (Building User Guide) attached to planning permission HGY/2022/2116

    19 Feb 2026 169m away Conditions

In Haringey

  • HGY/2026/1575 Granted

    48 Richmond Road, Tottenham, London, N15 6QB

    Construction of single storey side infill extension, together with the installation of a Sukkah roof roof.

    11 Jun 2026 Householder
  • HGY/2026/1504 Granted

    19 Bromley Road, Tottenham, London, N17 0AR

    Ground floor wraparound extension to a end of terrace house.

    24 Jun 2026 Householder
  • HGY/2026/1947 Awaiting decision

    6 Umfreville Road, Hornsey, London, N4 1SB

    Roof extension including above existing outrigger, to create two new habitable rooms and a shower room. Proposal includes new front facing turret in the style of an original feature, with a total of 3 Velux style rooflights to the front elevation and 1 flat rooflight.

    30 Jul 2026 Householder
  • HGY/2026/0798 Granted

    Flat 2, Wren View, Hornsey Lane, Hornsey, London, N6 5LH

    Replacement windows to the rear facing studio flat.

    20 Mar 2026 Householder
  • HGY/2026/1491 Granted

    16 Cornwall Road, Hornsey, London, N4 4PH

    Formation of rear dormer and 3 no. front rooflights

    4 Jun 2026 Householder