Planning application
HGY/2026/0623
34 Cromwell Avenue, Hornsey, London, N6 5HL
Proposal
Oak (T1): Reduce to previous points (approx. 1-2m)
As published by the council, reference HGY/2026/0623
Timeline
Dates from the published record
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5 Mar 2026
Received by Haringey
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25 Mar 2026
Decision issued: No Objection
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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 trees applications
How this application type works
Tree applications cover work to protected trees: those under a tree preservation order need consent for pruning or felling, and trees in a conservation area need six weeks written notice before work starts. The council assesses the amenity value of the tree and can refuse consent, approve it with conditions, or in conservation areas make a preservation order in response.
Nearby applications
Within 500 metres
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HGY/2026/1091 Granted
Flat 1D Cromwell Avenue, London N6 5HN
Installation of 2no. roof lights on the roof of the two storey rear outrigger.
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HGY/2026/0944 Granted
29 Cromwell Avenue, Hornsey, London, N6 5HN
Single storey ground floor rear infill extension, rear dormer and re-roofing at the rear, rooflights. Replacement of existing windows, front porch and associated internal and external alterations. (Amended Plans Received)
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HGY/2023/0455 Granted
25 Cholmeley Park, Hornsey, London, N6 5EL
T1- Sycamore tree growing out of decking - (18m) - remove two low branches from main trunks. T2- Diseased Prunus tree with poor form close to fence (7m)- reduce to just bellow fence.
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HGY/2026/1573 Granted
153 Archway Road, Hornsey, London, N6 5BL
Five Day Notice. T1 Chestnut on the boundary of the gardens on 153 Archway Road and 21 Cromwell Avenue. It stands approximately 60Ft tall of which it goes up 12ft then splits into 6 major limbs (of which 2 have failed). It appears they have failed due full leaf loading on the union and some what looks like white rot. There is a picture of a fruiting body that looks old. The picture with white mark shows where it has failed but also the limb I am most concerned about as this is close to the dysfunction area of the collapsed limbs. If this fails this will go straight through 21 Cromwell Avenue. On the other side of the tree there is an equally large limb which has a potential to fail and this limb would hit 153 Archway Road which is the owner of the trees property. Proposed works: to reduce all major limbs by at least 50% as this will stop the loading from the sail in the wind when it's in full leaf.
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HGY/2026/0337 Granted
Elm Court, Cholmeley Park, Hornsey, London, N6 5EJ
Construction of basement and mansard roof extension to create 4 additional flats (use class C3: 2 x 2 bed & 1X 1 bed & 1 x 3 bed) with associated amenity space, landscaping, lightwells, and cycle storage. Internal Reconfiguration of the existing building.
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HGY/2026/1374 Granted
178 Archway Road, Hornsey, London, N6 5BB
Non-Material Amendment to approved development HGY/2025/0079 (Demolition of an existing lightweight timber structure and erection of a new 2-bedroom 3 person, 70 sqm (GIA) dwelling with rear courtyard on the land to the rear of No. 178 Archway Road and fronting Wembury Mews) to alter brickwork and to introduce lintels above openings on front and rear elevations, slight relocation of roof light structure
Other trees applications
In Haringey
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HGY/2026/2169 Awaiting decision
68 Grove Avenue, Hornsey, London, N10 2AN
T1: Purple plum (8m): Reduce height by 1.5m and shape to keep tree at a size suitable for its location
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HGY/2026/2160 Awaiting decision
Flat A, 16 Mount View Road, Hornsey, London, N4 4HX
There is a tree in the back garden I believe it’s a type of maple T1 , but not 100%. Its overdue a reduction. I've suggested around 2m off the top and match the sides to create a compound shape. It’s blocking out a lot of light to the end of the garden and is quite close to the buildings at the back.
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HGY/2026/1486 Granted
87 Hillfield Avenue, Hornsey, London, N8 7DG
Rear garden: General maintenance works: T1: Mature Lime: Approximately 7.00m: Growing within close proximity of the building. Reduce back to previous and most recent pollard points. T2: Hybrid Birch: Approximately 2.50m: Remove dead wood only. T3: Cedar: Approximately 8.00m: Thin crown density by approximately 20-25%. Reduce lateral and sub lateral growth over the pond by up to 1.00m. Tip prune height to reduce by approximately 1.30m. Reduce remaining crown by up to 60cm to shape and balance as required. Rear Left Hand Corner: T4: Ash: approximately 9.00m: Reduce crown back to previous and most recent points of reduction, approximately 1.20m-1.50m. T5: Lime: Approximately 11.00m: Reduce by up to approximately 2.50m, pruning back to suitable growth points. T6: Small Apple: Approximately 3.50m: Reduce by approximately 1.00m. T7 & T8: 2 x Mature Eucalyptus: Approximately 7.00m: Reduce crowns by up to 1.50m to help maintain more compact crown structure. Thin densities by approximately 20%. Remove dead wood throughout the crowns. T9: Robinia Frisa: Approximately 8.00m: Thin crown density by up to 10%. Remove dead wood. Tip prune any overlong branches up to 0.75m back into main crown structure back into the main crown structure. T10: Picea: Approximately 8.00m: Tip prune to reduce crown by up to approximately 1.00m to help control dimensions and clear the crown of the Magnolia adjacent. T11: Magnolia Grandiflora: Approximately 7.00m: Reduce the crown by up to approximately 1.20m to help stimulate lower leaf generation. Remove dead wood. T12: Mature Cork Screw Willow: Approximately 9.00m: Reduce back to previous and most recent reduction/pollard points whilst preserving a suitable amount of furnishing growth to ensure crown continuity. Remove dead wood.
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HGY/2026/1938 Granted
81 Dukes Avenue, Hornsey, London, N10 2QD
Ash (T1): Reduce to previous, most recent pruning points (approx. 1-2m).
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HGY/2026/2146 Awaiting decision
70 Sheldon Avenue, Hornsey, London, N6 4ND
T1: Hornbeam - crown reduce by 2-3m back to previous pruning points. T3: Sycamore – crown reduce by 2-3m back to previous.