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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
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.

Trade members open them from here.

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 500 metres

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

    HGY/2026/0206 Submitted 23 Jan 2026 0m 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 0m 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 0m 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 3m 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

  • Flat A, 47 Uplands Road, Hornsey, London, N8 9NN

    HGY/2025/3553 Submitted 19 Dec 2025 39m 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

  • 8 Uplands Road, Hornsey, London, N8 9NL

    HGY/2026/1636 Submitted 9 Jun 2026 73m away

    Partial demolition of existing rear outrigger and erection of a single storey rear extension.

    Granted Householder Extension Demolition 19 docs
    Small domestic

In Haringey

  • HGY/2026/2086 Awaiting decision

    3 Rookfield Avenue, Hornsey, London, N10 3TS

    Installation of photovoltaic (PV) panels on the rear pitched roof.

    4 Sep 2026 Householder
  • HGY/2026/0629 Granted

    189 West Green Road, Tottenham, London, N15 5EA

    Construction of Vehicle Crossing including dropped kerb.

    9 Mar 2026 Householder
  • HGY/2025/1677 Awaiting decision

    6 Cascade Avenue, Hornsey, London, N10 3PU

    Installation of replacement rear steps connecting the kitchen to the garden

    2 Sep 2026 Householder
  • HGY/2026/2219 Awaiting decision

    42 Allison Road, Hornsey, London, N8 0AT

    Single-storey side-return infill extension and installation of AC condenser units.

    1 Sep 2026 Householder
  • HGY/2026/2124 Awaiting decision

    68 Downhills Way, Tottenham, London, N17 6BB

    LOFT CONVERSION WITH REAR DORMER AND THREE ROOF LIGHTS ON FRONT ROOF SLOPE

    1 Sep 2026 Householder