Planning application
HGY/2026/0470
30 Cholmeley Park, Hornsey, London, N6 5EU
Proposal
Installation of 2x air source heat pump (ASHP) external units at the rear of the garden, along with the adaptation of existing 2x skylights of the flat roof of the rear projection and 2x rooflights on the rear slope of the main roof.
As published by the council, reference HGY/2026/0470
Timeline
Dates from the published record
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20 Feb 2026
Received by Haringey
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29 Apr 2026
Decision issued: Approve with Conditions
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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 householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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HGY/2026/1940 Awaiting decision
24 Cholmeley Park, Hornsey, London, N6 5EU
The application seeks planning permission for alterations to the front and rear elevations. These include the replacement of the internal glazed frame of one existing front window while retaining and restoring its external historic frame, the replacement of six existing front windows, and the replacement of four existing rear windows, together with the installation of an air conditioning unit positioned on the roof of the ground floor rear extension.
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HGY/2026/0650 Withdrawn
24 Cholmeley Park, Hornsey, London, N6 5EU
Approval of details pursuant by condition 3 (Window details) attached to ref: HGY/2024/3143
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HGY/2026/1886 Awaiting decision
24 Cholmeley Park, Hornsey, London, N6 5EU
Non-Material Amendment to permission ref: HGY/2024/3143 to changed description to '‘Erection of a rear ground floor and first floor extension following the demolition of the existing back additions and change two front windows (amended description)"
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HGY/2026/1333 Awaiting decision
30 Cholmeley Park, Hornsey, London, N6 5EU
Erection of a single storey outbuilding in the rear garden with landscaping work.
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HGY/2025/3338 Granted
15a, Cholmeley Park, Hornsey, London, N6 5ET
Variation of condition 2 (approved plans) of planning permission HGY/2023/2705 for Demolition of existing rear extension, erection of single-storey rear extension, enlargement of existing side extension, replacement of rear dormer roof extension to main roof, replacement of windows in front elevation to match existing in appearance, replacement of front door, changes to fenestration in side and rear elevations. Proposed changes to the fenestration on the side/rear elevations, and alterations to design and height of the side extension. Alterations to rear elevation treatment of rear dormer, increase in height of rear dormer by 0.2 metres.
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HGY/2026/0148 Granted
Annexe 15a, Cholmeley Park, Hornsey, London, N6 5ET
T1, T1 T3 Leyland cypress - remove and stump grind. (Trees form part of an old hedge) client plans ro remove overgrown trees and replant suitable hedge
Other householder applications
In Haringey
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HGY/2026/1575 Granted
48 Richmond Road, Tottenham, London, N15 6QB
Construction of single storey side infill extension, together with the installation of a Sukkah roof roof.
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HGY/2026/1504 Granted
19 Bromley Road, Tottenham, London, N17 0AR
Ground floor wraparound extension to a end of terrace house.
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HGY/2026/1947 Awaiting decision
6 Umfreville Road, Hornsey, London, N4 1SB
Roof extension including above existing outrigger, to create two new habitable rooms and a shower room. Proposal includes new front facing turret in the style of an original feature, with a total of 3 Velux style rooflights to the front elevation and 1 flat rooflight.
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HGY/2026/0798 Granted
Flat 2, Wren View, Hornsey Lane, Hornsey, London, N6 5LH
Replacement windows to the rear facing studio flat.
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HGY/2026/1491 Granted
16 Cornwall Road, Hornsey, London, N4 4PH
Formation of rear dormer and 3 no. front rooflights