Planning application
HGY/2026/1384
First And Second Floor Flat, 15 Muswell Hill Road, Hornsey, London, N10 3JB
Proposal
Non-Material Amendment to change the dormer sill proportions of original ref: HGY/2025/3201
As published by the council, reference HGY/2026/1384
Timeline
Dates from the published record
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4 Jun 2026
Received by Haringey
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30 Jun 2026
Decision issued: Approve
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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 amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
Nearby applications
Within 500 metres
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HGY/2026/1095 Granted
25 Muswell Hill Road, Hornsey, London, N10 3JB
Formation of a rear dormer roof extension finished in brick to match existing building; formation of front dormer window finished in standing seam zinc with timber windows; installation of air-conditioning unit to side; installation of rooflights to front and rear roofslopes
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HGY/2026/0036 Granted
19C Woodland Rise, Hornsey, London, N10 3UP
Works to trees protected by a TPO. T1: Lime (7m): Re-pollard to previous points removing up to 3m of growth as part of regular maintenance and to keep trees at a size suitable for their location T2: Lime (7m): Re-pollard to previous points removing up to 3m of growth as part of regular maintenance and to keep trees at a size suitable for their location T3: Lime (7m): Re-pollard to previous points removing up to 3m of growth as part of regular maintenance and to keep trees at a size suitable for their location T4: Lime (7m): Re-pollard to previous points removing up to 3m of growth as part of regular maintenance and to keep trees at a size suitable for their location
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HGY/2026/1715 Awaiting decision
26 Onslow Gardens, Hornsey, London, N10 3JU
Lawful development: Proposed use for the erection of a rear dormer with 2 no. rooflights on the front roof slope.
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HGY/2026/1408 Granted
24 Onslow Gardens, Hornsey, London, N10 3JU
Enlargement of existing rear dormer and installation of a front dormer window.
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HGY/2026/1679 Awaiting decision
24 Onslow Gardens, Hornsey, London, N10 3JU
Erection of a single storey rear and side wraparound extension.
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HGY/2026/1669 Awaiting decision
26 Onslow Gardens, Hornsey, London, N10 3JU
Erection of a wrap around ground floor rear extension and extension of first floor rear outrigger; erection of two front roof lights.
Other amendments applications
In Haringey
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HGY/2026/1633 Granted
St Matthews Court 7b, Coppetts Road, Hornsey, London, N10 1NW
Non-Material Amendment to planning permission (ref: APP/Y5420/W/22/3308350) dated 03/05/2023 for the construction of a new residential building (use class C3), together with landscaping, cycle and car parking, and associated works; namely to remove of part of enclosing perimeter walls at lower ground floor level, introduction of a predominantly open-sided under croft, with more than 50% of the perimeter open, provision of partially uncovered parking areas & retention of structural support through columns/pilotis rather than enclosed walls.
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HGY/2026/1912 Awaiting decision
12 Canning Crescent, Wood Green, London, N22 5SR
Variation of condition 2 (approved plans) of planning permission HGY/2024/3115 to increase of floor thickness and height necessary to comply with building regulations and addition of lift overrun.
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HGY/2026/2076 Awaiting decision
10 Ellington Road, Hornsey, London, N10 3DG
Demolition of the existing buildings and erection of 5 replacement residential units, arranged as two terraced houses and three flats.
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HGY/2026/2077 Awaiting decision
10 Ellington Road, Hornsey, London, N10 3DG
Non-Material Amendment of HGY/2023/1406 to rename the proposal 'Demolition of the existing buildings and erection of replacement residential units'.
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HGY/2026/1449 Granted
8 Eastern Road, Hornsey, London, N2 9LD
Non-Material Amendment to the application HGY/2025/0897 as approved on 21/08/2025 for: Demolition of side garage and erection of new single storey side extension together with new insulated render finish to side and rear elevations, new and adjusted window openings and internal remodelling. Solar Panel are to be added the rear elevation roof slope. The proposed amendments sought are: - alterations to window positions - amendments to the style of the original windows - installation of PV panels on rear roof slope