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Planning application

20 Denton Road, Hornsey, London, N8 9NS

Granted Haringey HGY/2025/2872 Householder planning permission

Works: Extension Loft or dormer Small domestic

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

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Erection of single storey infill extensions with associated internal changes. Roof extension to facilitate a mansard roof and rear facing dormer with front facing roof lights

As published by the council, reference HGY/2025/2872

Application record

Reference
HGY/2025/2872
Type
Householder planning permission
Status
Decision Made
Decision
Granted As published: Approve with Conditions
Received
20 Oct 2025
Validated
20 Oct 2025
Decided
17 Dec 2025
Ward
Stroud Green
Decision by
Delegated Decision
Postcode
N8 9NS

Site history

Applications at this address on the Haringey register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • HGY/2026/0206 Granted

    20 Denton Road, Hornsey, London, N8 9NS

    Works to tree protected by a TPO. (T1) Olive - Situated approximately 2-3m from the rear wall of the property. Limbs have become quite over extended and are at risk of failing due to excessive weight. Branches are also overhanging the property, leaning against first floor balcony, rubbing against the wall with the potential to cause damage. Proposing to reduce crown by up to 2m in order to manage size and form of tree and to create a more even, balanced crown.

    Decided 9 Mar 2026 Trees

Timeline

Dates from the published record

  1. 20 Oct 2025

    Received by Haringey

  2. 17 Dec 2025

    Decision issued: Approve with Conditions

  3. 10 Aug 2026

    Added to PlanIndex

Documents

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

6 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.

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Open the documents

What this grant of permission means

Haringey granted permission on 17 December 2025, 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.

About householder applications

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.

Nearby applications

Within 0.3 miles

  • 20 Denton Road, Hornsey, London, N8 9NS

    HGY/2026/0206 Submitted 23 Jan 2026 50 yards away

    Works to tree protected by a TPO. (T1) Olive - Situated approximately 2-3m from the rear wall of the property. Limbs have become quite over extended and are at risk of failing due to excessive weight. Branches are also overhanging the property, leaning against first floor balcony, rubbing against the wall with the potential to cause damage. Proposing to reduce crown by up to 2m in order to manage size and form of tree and to create a more even, balanced crown.

    Granted Trees 5 docs
  • 40 Denton Road, Hornsey, London, N8 9NS

    HGY/2024/2950 Submitted 25 Oct 2024 50 yards away

    Replacement of windows and doors with new UPVC windows and doors on all elevations.

    Granted Full applications Windows or glazing 8 docs
  • 12, Denton Road, London, N8 9NS

    HGY/2021/1673 Submitted 14 Jun 2021 50 yards away

    Works to trees protected by an Area TPO: 1 x Bay - cut back to reduce shading (-35%, approx 2/2.5 metres off). 5 x Silver Birch - cut back to stop roots damaging railway sleepers that form the bed just a tidy up of approx 1 metre)

    Granted Trees 9 docs
  • 26, Denton Road, London, N8 9NS

    HGY/2021/2239 Submitted 19 Jul 2021 50 yards away

    Construction of a single storey rear ground floor extension and alterations to existing rear projection including replacement balustrade to existing first floor terrace. Extension of existing basement level including the formation of a front light well and alterations to front garden area.

    Granted Full applications Extension 12 docs
    Small domestic
  • 36, Denton Road, London, N8 9NS

    HGY/2021/1153 Submitted 23 Apr 2021 50 yards away

    Birch (T1) - Crown reduce to previous pruning points (2m). Eucalyptus (T2) - Fell due to presence of Ganoderma sp. and poor condition. Sycamore (T3) - Crown reduce to previous points (1-2m).

    Granted Trees 6 docs
  • Flat A, 47 Uplands Road, Hornsey, London, N8 9NN

    HGY/2025/3553 Submitted 19 Dec 2025 50 yards away

    Conversion of loft to a habitable room including the installation of 2 rooflights on the rear roof slope, 2 rooflights on the main front roof slope, and 2 rooflights on the roof of the property's front gable.

    Granted Full applications Loft or dormer 5 docs

In Haringey

  • 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