23 Delancey Street London NW1 7NP
Proposal
Non-material amendment to planning permission 2024/2529/P dated 18/11/2024 for 'Erection of two storey rear extension with green roof, alterations to front lightwell and railings including new access stairs, PV panels to roof, works to rear garden, alterations to front door and windows', namely reinstatement of rear window, alterations to garden levels, and internal alterations to lower ground and ground floors.
- Received
- 5 June 2026
- Decided
- 1 September 2026 · Granted
- Council
- London Borough of Camden
- Ward
- Regents Park
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.
- ReceivedSubmitted5 Jun
- ValidatedValidated5 Jun
- Consult.Consultation
- TargetTarget Date29 Jun
- DecidedDecided1 Sep
Decided in 88 days (council typically 49)
This is a planning application for a two storey rear extension at 23 Delancey Street London NW1 7NP. Camden has handled 91 applications of this type and approves nearly all of them, typically deciding them in 28 days. This one was decided in 88 days, 9 weeks longer than Camden's median. The site is in the Camden Town conservation area, with 11 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 176 applications across Regents Park. We hold 3,114 applications in total for the NW1 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Camden
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near NW1
New planning applications delivered to your inbox weekly.
Planning history at this site
3 other applications at this property, newest first.
- 202621 Aug
REAR GARDEN: 1 x Olive (T1) - Reduce by approx. 1.5m from the height and width to shape.
ApprovedApplication2026/3592/T - 202629 Jul
Proposal to amend the locations of the approved internal layout of Lower Ground and Ground Floor Kitchen/…
ApprovedListed building consent2026/2710/L - 202615 May
Details pursuant to discharge of Condition 4.3(b) of Listed Building Consent 2024/2600/L
ApprovedDischarge of conditions2026/1782/L
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Camden Town
- Article 4 direction: Basements
- Flood zone 1: Low probability (rivers and sea)
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (20)
flood storage areas, 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 2026-10-09. 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.
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.