Planning application
20 Highfields Grove London N6 6HN
Works: Extension Trees Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Erection of garden structures including garden room, treehouse, and water feature. Terrace extensions and landscaping to rear garden, including removal/replacement of one tree, and relocation of one tree.
As published by the council, reference 2026/3863/P
Application record
- Reference
- 2026/3863/P
- Type
- Householder Application
- Status
- Registered
- Received
- 7 Sep 2026
- Validated
- 14 Sep 2026
- Ward
- Highgate
- Postcode
- N6 6HN
Site history
Applications at this address on the Camden register
This site has had 16 applications since 2014: 13 approved, 0 refused.
-
2026/3862/P Awaiting decision
20 Highfields Grove London N6 6HN
Erection of single-storey rear extension, installation of lightweight glazed link and fenestration alterations. Removal and replacement of existing hedge, and minor alterations to external hard landscaping.
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2025/1741/T Granted
20 Highfields Grove London N6 6HN
(TPO REF: C1160 2015) REAR GARDEN: 1 x Oak (T1) - Reduce height and width by up to 2m branch lengths. Reduce lowest limb over neighbouring property (SE boundary) by up to 3.5m. 1 x Sycamore (T2) - Reduce lateral growth over garden by up to 2m.
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2019/4976/T Granted
20 Highfields Grove London N6 6HN
DD 5 Day Notice REAR GARDEN: 1 x Beech - Fell to ground level.
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2019/1770/T Granted
20 Highfields Grove London N6 6HN
FRONT GARDEN: 1 x Sycamore (T1) - Fell to ground level. 1 x Beech (T2) - Reduce on house side by up to 2m to give 3m clearance from property and balance remainder of crown only if required.
-
2018/1839/P Granted
20 Highfields Grove London N6 6HN
Creation of new ground floor side elevation door opening to provide garden access.
-
2017/6854/T Granted
20 Highfields Grove LONDON N6 6HN
(TPO Ref: C1160) REAR GARDEN: 1 x Oak (T1) - Raise canopy to 4m above ground level. Reduce lower 2/3rd of crown by up to 2m. Thin crown by 20%. Reduce co-dominant leader on house side by 1/3rd.
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2017/5089/T Granted
20 Highfields Grove London N6 6HN
(TPO REF C1160) FRONT GARDEN: 1 x Oak - Fell
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2016/4974/T Granted
20 Highfields Grove London N6 6HN
FRONT GARDEN: 1 x Horse chestnut - crown thin by 20% and lift to 4m over garden 1 x Sycamore - decline major dead stem. Fell to ground level to facilitate replanting of holly hedge 3 x Limes - crown thin by 20% and lift to 4m over garden
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2016/0989/P Granted
20 Highfields Grove London N6 6HN
Erection of first floor infill extension and single storey side infill extension between house and garage; new external stairs to door and garage; replacement doors and windows throughout with alterations to fenestration.
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2016/0816/P Granted
20 Highfields Grove London N6 6HN
Enclosure of existing open front entrance porch on the southern elevation in glazing with new double entrance doors, including the construction of new brick side wall on the right-hand side of porch, and alteration to existing window opening.
Timeline
Dates from the published record
-
7 Sep 2026
Received by Camden
-
14 Sep 2026
Validated
Checked as complete and ready for consideration.
-
17 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 9 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Camden took a median of 43 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
18 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided householder applications in a median of 66 days. More in our guide to how long planning decisions take.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
20 Highfields Grove London N6 6HN
88% historically approved · decision due ~9 Nov
Erection of single-storey rear extension, installation of lightweight glazed link and fenestration alterations. Removal and replacement of existing hedge, and minor alterations to external hard landscaping.
Awaiting decision Householder Extension Windows or glazing 30 docsSmall domestic -
20 Highfields Grove London N6 6HN
FRONT GARDEN: 1 x Horse chestnut - crown thin by 20% and lift to 4m over garden 1 x Sycamore - decline major dead stem. Fell to ground level to facilitate replanting of holly hedge 3 x Limes - crown thin by 20% and lift to 4m over garden
Granted Trees -
20 Highfields Grove London N6 6HN
Enclosure of existing open front entrance porch on the southern elevation in glazing with new double entrance doors, including the construction of new brick side wall on the right-hand side of porch, and alteration to existing window opening.
Granted Full applications Extension Windows or glazingSmall domestic -
20 Highfields Grove London N6 6HN
(TPO REF: C1160 2015) REAR GARDEN: 1 x Oak (T1) - Reduce height and width by up to 2m branch lengths. Reduce lowest limb over neighbouring property (SE boundary) by up to 3.5m. 1 x Sycamore (T2) - Reduce lateral growth over garden by up to 2m.
Granted Trees -
20 Highfields Grove London N6 6HN
(TPO Ref: C1160) REAR GARDEN: 1 x English Oak - Crown thin by 20%. 7 x Sycamore - Fell to ground level.
Split decision Trees -
20 Highfields Grove London N6 6HN
REAR GARDEN: 1 x Oak - No work Required Nos 2-34-567-&8 Consisting of 9x Sycamore Ht 16m dbh 200/500mm We would like to remove 3xSycamores of the smallest diameter to be agreed on site with Camden Tree Officer. The remaining 6xSycamore we would like to Thin the crowns by up to 20% removing whole branches throughout crown retaining Height and crown spread of all 6 trees This would allow more light into this very shaded part of the Garden. Nos 9-10 Sycamores Ht 16m dbh300mm Thin crowns by up to 20% removing whole branches throughout crowns Retaining Height and crown spread to allow more light into garden. No 11 Beech Ht16m dbh500mm Thin crown by up to 20% as above. No 12 Oak Ht 16m dbh450mm Fell to ground level due to proximity property. No 13 Oak Ht 16m dbh 650mm Very close proximity to property Over sails garage and main property Roofs Draw Back south side of crown to allow clearance from main property roof and allow light in to space between Garage and main property Maximum cut diameter 100mm specification to be agreed with tree officer on site.
Granted Trees
Other householder applications
In Camden
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2026/4031/P Awaiting decision
10 Albert Street London NW1 7NZ
Erection of an extension to widen rear dormer window at second floor.
-
2026/3231/P Granted
9 Wadham Gardens London NW3 3DN
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-
2026/4030/P Awaiting decision
6 Leverton Street London NW5 2PJ
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-
2026/3493/P Granted
2 Wildwood Terrace London NW3 7HT
Enlargement of the existing rear French doors and single-leaf door at lower ground floor level, together with the replacement of five rear timber sash windows.
-
2026/2003/P Granted
23 Glenmore Road London NW3 4BY
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