Planning application
20 Denton Road, Hornsey, London, N8 9NS
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.
Timeline
Dates from the published record
-
20 Oct 2025
Received by Haringey
-
17 Dec 2025
Decision issued: Approve with Conditions
-
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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat 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
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
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
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
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 docsSmall domestic -
36, Denton Road, London, N8 9NS
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
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
Other householder applications
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.
-
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.
-
HGY/2026/2213 Awaiting decision
2 Parkwood Mews, Hornsey, London, N6 5UR
Convert the basement into a basement flat (retrospective application).
-
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
-
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.