37, Dartmouth Park Avenue, London, NW5 1JL
Approved on 14 September 2026
Council decision: Granted Subject to a Section 106 Legal Agreement
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Excavation of basement including extension of front lightwells, erection of lower and upper ground floor rear extensions, erection of rear dormer, replacement of door on side elevation at lower ground floor.
- Received
- 17 December 2025
- Council
- London Borough of Camden
- Ward
- Highgate
- ReceivedReceived17 Dec
- ValidatedValidated15 Dec
- Consult.Consultation
- TargetTarget Date
- DecidedDecided14 Sep
Decided in 273 days (council typically 49)
About this application
This is a planning application for a dormer extension at 37, Dartmouth Park Avenue, London, NW5 1JL. Camden has handled 344 applications of this type. This one was decided in 273 days, 32 weeks longer than Camden's typical decision time. The site is in the Dartmouth Park conservation area, with 1 listed building nearby. There are no previous applications recorded at this address. In the past year there have been 282 applications across Highgate. We hold 556 applications in total for the NW5 postcode area.
87% of householder planning permission applications at London Borough of Camden were approved. Across all application types, the council typically decides in about 7 weeks (median).
Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street
Application details
- Postcode
- NW5 1JL
- Application type
- Householder planning permission
Planning application dates
- Date validated
- 15 December 2025
Planning decision
- Case officer
- Sarah White
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Dartmouth Park
- Article 4 direction: Basements
- Flood zone 1: Low probability (rivers and sea)
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (21)
flood storage areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Planning history at this site
4 other applications at this property, newest first.
- 202614 Apr
Removal of rear chimney breast and stack, removal of external staircase to rear, and installation of new…
ApprovedCertificate of Lawfulness (Proposed)2026/1417/P - 20263 Mar
Erection of replacement side boundary fences.
ApprovedCertificate of Lawfulness (Existing)2026/0819/P - 202528 Oct
Amalgamation of the two existing flats into a single residential unit.
ApprovedCertificate of Lawfulness (Proposed)2025/4841/P - 202329 Dec
REAR GARDEN: Group of Cypress trees (G1) - Reduce height back to previous pruning points, approx. 2m…
ApprovedTrees2023/5483/T
Source: Camden
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 37 Dartmouth Park Avenue London NW5 1JL2023/5483/T · TreesApproved0.0 mi
- 37 Dartmouth Park Avenue London NW5 1JL2025/4841/P · OutlineApproved0.0 mi
- 37 Dartmouth Park Avenue London NW5 1JL2026/0819/P · AmendmentApproved0.0 mi
- 17 Bramshill Gardens London NW5 1JJ2023/5482/T · TreesApproved0.0 mi
- 24 - 32 Winscombe Street London N19 5DG2024/0932/P · FullApproved0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman2.6 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.2 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing3.7 mi
- Building Services LondonVerifiedLondonExtensionsLoft Conversions5.8 mi
Planning something similar?
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