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Planning application

25 Sussex Gardens, Hornsey, London, N6 4LY

Refused Haringey HGY/2025/2529 Prior approval Part 1 Class A.1(ea): Larger home extension

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Erection of single storey extension which extends beyond the rear wall of the original house by 6m, for which the maximum height would be 4m and for which the height of the eaves would be 3m

As published by the council, reference HGY/2025/2529

Application record

Reference
HGY/2025/2529
Type
Prior approval Part 1 Class A.1(ea): Larger home extension
Status
Decision Made
Decision
Refuse
Received
18 Sep 2025
Validated
18 Sep 2025
Decided
30 Oct 2025
Ward
Fortis Green
Decision by
Delegated Decision
Postcode
N6 4LY

Site history

Applications at this address on the Haringey register

This site has had 2 applications since 2025: 1 approved, 1 refused.

  • HGY/2025/3291 Granted

    25 Sussex Gardens, Hornsey, London, N6 4LY

    Erection of single storey extension which extends beyond the rear wall of the original house by 3.5m, for which the maximum height would be 2.9m and for which the height of the eaves would be 2.7m. (AMENDED DESCRIPTION)

    Decided 9 Jan 2026 Prior approval

Timeline

Dates from the published record

  1. 18 Sep 2025

    Received by Haringey

  2. 30 Oct 2025

    Decision issued: Refuse

  3. 10 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

13 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this refusal means

Haringey refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 25 Sussex Gardens, Hornsey, London, N6 4LY

    HGY/2025/3291 Submitted 28 Nov 2025 0m away

    Erection of single storey extension which extends beyond the rear wall of the original house by 3.5m, for which the maximum height would be 2.9m and for which the height of the eaves would be 2.7m. (AMENDED DESCRIPTION)

    Granted Prior approval Extension 13 docs
    Small domestic
  • 41 Sussex Gardens, Hornsey, London, N6 4LY

    HGY/2025/3062 Submitted 7 Nov 2025 0m away

    Works to tree protected by a TPO. T11 Silver Birch: Crown Reduction by 3m on all aspects to tidy and contain shape and to mitigate limb weight Justification: Outgrown plot and blocking streetlight.

    Refused Trees 12 docs
  • 41 Sussex Gardens, Hornsey, London, N6 4LY

    HGY/2026/0356 Submitted 10 Feb 2026 0m away

    T11 Silver Birch: Crown thin by 15% Crown raise to 3.5m to the crown break Cut back from the lampost to clear by 1.5m Justification To improve longevity and form, cut back from street furniture and give clearance

    Granted Trees 9 docs
  • 6 Great North Road, Hornsey, London, N6 4LX

    HGY/2025/3354 Submitted 29 Dec 2025 90m away

    The proposal replaces the existing timber windows on the front elevation with double glazed timber additions, matching details and proportions including the coloured glass. The side and rear elevations would have modern double glazed uPVC units replacing modern UPVC windows (AMENDED)

    Granted Full applications Windows or glazing 15 docs
  • 12 Great North Road, Hornsey, London, N6 4LX

    HGY/2025/1187 Submitted 2 May 2025 90m away

    Demolition of existing house and construction of 2no. semi-detached three-storey dwellinghouses with basement and lightwells.

    Granted Full applications Demolition 59 docs
  • First floor to 20 + 21 Aylmer Parade, Hornsey, London, N2 0PE

    HGY/2026/0442 Submitted 16 Feb 2026 116m away

    Application to determine if prior approval is required for a proposed: Change of use from Commercial, Business and Service (Use Class E) to Dwellinghouses (Use Class C3) under provision of Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) - Schedule 2, Part 3, Class MA.

    Granted Prior approval 10 docs

In Haringey

  • HGY/2026/2330 Awaiting decision

    117 Crowland Road, Tottenham, London, N15 6UR

    Erection of single storey extension which extends beyond the rear wall of the original house by 6m, for which the maximum height would be 2.9m and for which the height of the eaves would be 2.9m

    2 Sep 2026 Prior approval
  • HGY/2026/2412 Awaiting decision

    34 Crowland Road, Tottenham, London, N15 6UT

    Erection of single storey extension which extends beyond the rear wall of the original house by 6m, for which the maximum height would be 3m and for which the height of the eaves would be 3m

    28 Aug 2026 Prior approval
  • HGY/2026/2176 Decided

    19 Homecroft Road, Wood Green, London, N22 5EL

    Erection of single storey extension which extends beyond the rear wall of the original house by 5m, for which the maximum height would be 3.5m and for which the height of the eaves would be 3m

    31 Jul 2026 Prior approval
  • HGY/2026/2355 Awaiting decision

    16 Elm Park Avenue, Tottenham, London, N15 6AT

    Erection of single storey extension which extends beyond the rear wall of the original house by 6m, for which the maximum height would be 3.5m and for which the height of the eaves would be 3m

    21 Aug 2026 Prior approval
  • HGY/2026/1945 Decided

    132 Vartry Road, Tottenham, London, N15 6HA

    Erection of single storey extension which extends beyond the rear wall of the original house by 6m, for which the maximum height would be 3.5m and for which the height of the eaves would be 3m

    9 Jul 2026 Prior approval