Planning application
HGY/2026/0187
3 Oldfield Mews, Hornsey, London, N6 5XA
Proposal
Single storey rear extension
As published by the council, reference HGY/2026/0187
Timeline
Dates from the published record
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3 Feb 2026
Received by Haringey
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11 Mar 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/2026/1311 Granted
19 Oldfield Mews, Hornsey, London, N6 5XA
Tree location - rear garden Access - via rear pathway Revision B quote TG1 - Approx. H12.2 S4 20+DBH 5x Conifers Crown reduce the height by approx. 5.7m to leave at a standing height of approx. 6.5m. Selectively reduce lateral branches that encroach into no.19 by 0.5-1m. Reduce the lateral branches that encroach into the adjacent private garden (no. 52) by approx. 0.5-1m back towards the boundary line.
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HGY/2026/1722 Granted
2 Oldfield Mews, Hornsey, London, N6 5XA
Certificate of Lawfulness (proposed) for minor external building operations to the front elevation to facilitate garage conversion.
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HGY/2026/0775 Granted
19 Oldfield Mews, Hornsey, London, N6 5XA
Tree location - rear garden Access - via rear pathway Revision A quote TG1 - Approx. H9 S4 20+DBH 5x Conifers Crown reduce height by approx. 4m Reduce laterals by 0.5-1m on no. 19
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HGY/2026/0572 Granted
21 Oldfield Mews, Hornsey, London, N6 5XA
Works to tree protected by a TPO. Tree location - rear garden, access - side access. T1 - Lime, approx. H16 S11 70+DBH. Remove all regrowth formed since last works (approx. 2-3m) back to most recent, old pruning points to leave a bare framework as per previous practice
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HGY/2026/2054 Awaiting decision
8 Oldfield Mews, Hornsey, London, N6 5XA
This application is being filed for the consent to remove the robust Bay Tree (marked '1. Bay Tree' on the '8 Oldfield Mews Tree location.jpg') in the front garden of 8 Oldfield Mews, directly adjacent to the external wall of the property. We have attached the title plan with the approximate location of the tree marked. The tree has reached height over two and half storeys and has caused concern to the building structure, as outlined below: 1. Photographic evidence shows substantial ivy and woody vegetative growth to the masonry planter that abuts the front elevation of the property. 2. Damp has been reported by the tenant to a number of locations at the external wall adjacent to the tree. This issue has been present for the last 3 years, with past remedial works providing only temporary mitigation of the issue. Evidence of water ingress and staining is present to the internal linings to the front elevation. The vegetative growth is likely a contributing factor, with root structures causing damage to mortar joints and holding moisture against the external wall, and as further damp remedial work and internal redecoration are planned, felling the tree alongside these works would be advisable. 3. In addition to the damp, vegetation proximity to the property structures is a concern, with roots already causing visible cracking and bulging to the retaining planter wall so that further deterioration could lead to failure. The uPVC downpipe and guttering have also been displaced by stem growth. The extensive root systems could also lead to settlement and put further pressure on foundations. As far as we know, the tree isn’t protected by a TPO, and therefore we are requesting for its full removal by tree surgeon, due to its potential to compromise the structural integrity of the property's foundations and mitigate the damp issues at the ground floor level.
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HGY/2026/1752 Granted
1 Oldfield Mews, Hornsey, London, N6 5XA
Five Day Notice for works to tree protected by a TPO. T1 - Beech tree (22m)- reduce branches growing over road on far side of road by up to 3m to balance crown. Prune back from street lamp to create 2m clearance.
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.
-
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