Planning application
HGY/2021/2180
18, Denewood Road, London, N6 4AJ
Proposal
Certificate of lawfulness for a proposed rear garden outbuilding and swimming pool
As published by the council, reference HGY/2021/2180
Timeline
Dates from the published record
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26 Jul 2021
Received by Haringey
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28 Jul 2021
Decision issued: Permitted Development
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28 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 lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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HGY/2026/0715 Awaiting decision
26 Denewood Road, Hornsey, London, N6 4AJ
Works to trees protected by a TPO. G1: Group Poplar: To remove 50% of the growths from the most recent reduction points and to reduce the remaining 50% by 50% in length Its requested 50% of the regrowth from the existing pollard points are removed ( approx. 8-9m in length). The remaining 50% of the growths are requested to be reduced by 50% (approx. 4-5m in length)
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HGY/2026/1512 Awaiting decision
10 Denewood Road, Hornsey, London, N6 4AJ
Works to tree protected by a TPO. T2 Dead stem / probable historic Oak remnant – Fell remaining monolith to ground level. The remaining standing stem appears to represent a retained remnant of a former oak specimen and is now substantially dead with limited ongoing amenity contribution. Removal is proposed to improve safe and practical use of the garden space and prevent ongoing obstruction within the area. (Works to T1 Beech will be considered separately under Section 211 Notice ref. HGY/2026/1513, as this tree is not protected by a TPO but is located within a Conservation Area)
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HGY/2026/1513 Granted
10 Denewood Road, Hornsey, London, N6 4AJ
T1 Beech – Reduce crown by approximately 1.5m to 2m overall in order to reshape and rebalance the canopy. The tree currently exhibits a somewhat misshapen and overextended crown form with encroachment over the adjacent pavement area. The proposed works are intended to improve overall crown symmetry and appearance whilst reducing excessive extension growth and maintaining suitable clearance from the public footway. The reduction will help retain the tree within a more appropriate and visually balanced form consistent with good arboricultural management. (Works to T2 Dead stem / probable historic Oak remnant will be considered separately under tree works application ref. HGY/2026/1512, as this tree is protected by a TPO)
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HGY/2021/1766 Refused
15, View Road, London, N6 4DJ
Listed building consent for refurbishment of glazed link and proposed single storey garden building to the side and rear comprising a basement and accommodation in the roofspace.
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HGY/2021/1765 Refused
15, View Road, London, N6 4DJ
Refurbishment of glazed link and proposed single storey garden building to the side and rear comprising a basement and accommodation in the roofspace.
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HGY/2026/2145 Awaiting decision
Clubhouse, Highgate Golf Club, Denewood Road, Hornsey, London, N6 4AH
TG1 - Lombardy poplar - Fell x3 to ground level and process all arisings to be left on site - Reason for work: Trees are causing damage to golf club bunkers/Tee recommend felling to allow Oaks to have more crown space. T2 - Willow - Crown Reduction - Reducing the height and spread of the tree by up to 2 metres - - Reason for work: To reduce end weight and mechanical loading on the main limbs due to a history of limb failure, reducing the likelihood of future failures. T3 - Willow - Crown Reduction - Reducing the height and spread of the tree by up to 2 metres - - Reason for work: To reduce end weight and mechanical loading on the main limbs due to a history of limb failure, reducing the likelihood of future failures. T4 - Willow - Crown Reduction - Reducing the height and spread of the tree by up to 2 metres - - Reason for work: To reduce end weight and mechanical loading on the main limbs due to a history of limb failure, reducing the likelihood of future failures. T5 - Willow - Crown Reduction - Reducing the height and spread of the tree by up to 2 metres - - Reason for work: To reduce end weight and mechanical loading on the main limbs due to a history of limb failure, reducing the likelihood of future failures. T6 - English oak - Reason for fell: tree has significant dieback in crown and high amount of bark separation on main stem TG7 - Crown Reduction - Reducing the height and spread of the tree by up to 4 metres - Reason for work: To reduce end weight and mechanical loading on the main limbs due to a history of limb failure, reducing the likelihood of future failures. T8 - Silver birch - Fell to ground level - Reason for work: tree is leaning over golf tee due to being suppressed by neighbouring trees T9 - English oak - Fell to ground level - Reason for work: Tree is in decline T10 - English oak - Fell to ground level - Reason for work: Tree is in decline T11 - English oak - Fell to ground level - Reason for work: Tree is in decline TG12 - Silver birch - Fell group of 4 trees - Reason for work: Tree is in decline T13 - Horse chestnut - Fell to ground level - Reason for work: Tree is in decline with major bleeding canker and bark separation T14 - Horse chestnut - Fell to ground level - Reason for work: Tree is in decline with major bleeding canker and bark separation T15 - English oak - Fell to ground level - Reason for work: Tree is in decline T16 - English oak - Fell to ground level - Reason for work: Tree is in decline T17 - Silver birch - Fell to ground level - Reason for work: Tree is suppressed between Oaks and has decay at base T18 - Fell to ground level - Reason for work: Tree is suppressed by the adjacent mature Oak; felling is recommended to reduce competition and allow the Oak to naturally develop and occupy the available canopy space. T19 - Fell to ground level - Reason for work: SAME AS T18 RAN OUT OF CHARACTER SPACE all pruning to be carried out to suitable growth points within guidance of BS3998:2010
Other lawful development applications
In Haringey
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HGY/2026/2104 Granted
17 Sperling Road, Tottenham, London, N17 6UQ
Certificate of lawfulness for proposed use: Loft conversion with erection of rear L-shaped dormer and insertion of 2no. front rooflights.
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HGY/2026/1307 Granted
49 Lordsmead Road, Tottenham, London, N17 6EX
Certificate of lawfulness for the existing use of the property as five separate self-contained flats.
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HGY/2026/1885 Granted
6, Grainger Road, London, N22 5LT
Certificate of Lawfulness: Proposed alterations to the roof comprising the installation of 3no. rooflights (2no. front facing and 1no. rear facing).
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HGY/2026/1375 Granted
Flats 1, 2, & 3 149 Crescent Road, Wood Green, London, N22 7RU
Certificate of lawfulness for the existing use of the property as 3 self-contained flats (comprising of ground floor 2 bed, first floor 2 bed, second floor 1 bed) for more than 4 years.
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HGY/2026/1409 Granted
492 Archway Road, Hornsey, London, N6 4NA
Certificate of Lawfulness Existing Use. Use of lower ground floor as two flats (Use Class C3).