Planning application
23 Delancey Street London NW1 7NP
Works: Extension Roofing Windows or glazing
Relates to 2024/2529/P
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
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 and alterations to garden levels.
As published by the council, reference 2026/1846/P
Application record
- Reference
- 2026/1846/P
- Type
- Non Material Amendments
- Status
- Final Decision
- Decision
- Granted
- Received
- 5 Jun 2026
- Validated
- 5 Jun 2026
- Decided
- 1 Sep 2026
- Ward
- Regents Park
- Decision by
- Delegated
- Postcode
- NW1 7NP
Site history
Applications at this address on the Camden register
This site has had 8 applications since 2020: 6 approved, 0 refused.
-
2026/3592/T Awaiting decision
23 Delancey Street London NW1 7NP
REAR GARDEN: 1 x Olive (T1) - Reduce by approx. 1.5m from the height and width to shape.
-
2026/2710/L Awaiting decision
23 Delancey Street London NW1 7NP
Proposal to amend the locations of the approved internal layout of Lower Ground and Ground Floor Kitchen/ living areas, approved under 2024/2529/P and 2024/2600/L
-
2026/1782/L Granted
23 Delancey Street London NW1 7NP
Details pursuant to discharge of Condition 4.3(b) (brickwork sample panel) of listed building consent ref 2024/2600/L, granted on 18/11/2024 for the erection of two-storey rear extension with green roof, alterations to front lightwell including railing and new access stairs, PV panels to roof, works to rear garden, alterations to front door, windows and roof, alterations to internal non-original fabric.
-
2025/0212/P Granted
23 Delancey Street London NW1 7NP
Details to discharge Condition 4 (Green Roof) of planning permission 2024/2529/P dated 18/11/2024 for the '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'.
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2025/0213/L Granted
23 Delancey Street London NW1 7NP
Approval of Details required by Condition 4 (Detail Drawings and/or samples for: Lightwell Staircase, Joinery, Brickwork, Paving, Solar and Lighting), granted under 2024/2600/L, for the erection of a two storey rear extension, lightwell alterations, new PV panels, rear landscaping, joinery replacements and internal planform alterations.
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2024/2529/P Granted
23 Delancey Street London NW1 7NP
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.
-
2020/4155/T Granted
23 Delancey Street London NW1 7NP
REAR GARDEN: 1 x Bay Tree (T1) - Fell to ground level.
Timeline
Dates from the published record
-
5 Jun 2026
Received by Camden
-
24 Jul 2026
Added to PlanIndex
-
1 Sep 2026
Decision issued: Granted
Related applications
Cases linked to this one on the register
-
2024/2529/P Granted
23 Delancey Street London NW1 7NP
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.
Documents
Plans, drawings, consultee responses and the officer's report
13 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 this grant of permission means
Camden granted permission on 1 September 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
23 Delancey Street London NW1 7NP
96% historically approved · decision due ~23 Sep
Proposal to amend the locations of the approved internal layout of Lower Ground and Ground Floor Kitchen/ living areas, approved under 2024/2529/P and 2024/2600/L
Awaiting decision Heritage and listed buildings 6 docs -
23 Delancey Street London Camden NW1 7NP
Erection of two storey rear extension with green roof, alterations to front lightwell including railing and new access stairs, PV panels to roof, works to rear garden, alterations to front door, windows and roof, alterations to internal non-original fabric.
Granted Heritage and listed buildings Extension Roofing +1 -
23 Delancey Street London NW1 7NP
REAR GARDEN: 1 x Bay Tree (T1) - Fell to ground level.
Granted Trees -
23 Delancey Street London NW1 7NP
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.
Granted Full applications Extension Roofing +1 -
23 Delancey Street London NW1 7NP
99% historically approved · decision due ~16 Oct
REAR GARDEN: 1 x Olive (T1) - Reduce by approx. 1.5m from the height and width to shape.
Awaiting decision Trees 2 docs -
23 Delancey Street London NW1 7NP
Details to discharge Condition 4 (Green Roof) of planning permission 2024/2529/P dated 18/11/2024 for the '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'.
Granted Full applications Extension Roofing +1
Other amendment applications
In Camden
-
2026/4008/P Awaiting decision
6 Murray Street London NW1 9RE
Non-material amendment to planning permission ref. 2023/3483/P (dated 25/10/2023) for 'Erection of mansard roof extension and replacement shopfront', NAMELY for changes to the rear dormers.
-
2026/3909/P Awaiting decision
15 Belsize Park Mews London NW3 5BL
Variation of Condition 2 (Approved Plans) of planning reference 2023/3492/P dated 07/08/26 for erection of roof extension, new basement level, alterations to fenestration and associated works. NAMELY: to allow revisions to the external architectural treatment of approved development.
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2026/2771/P Granted
Land to the North of the British Library 96 Euston Road London NW1 2DB
Non material amendment to planning permission 2022/1041/P dated 17/07/2024 for: ‘Demolition of the British Library Centre for Conservation, alterations to the British Library and erection of a new building of 12 above-ground storeys and two basement levels for use as library, galleries, learning, business and events spaces (Class F1) and retail and commercial spaces (Class E); provision of internal and external public spaces, landscaping and a community garden; improvement works adjacent to Dangoor Walk; provision of cycle and car parking and servicing facilities including new crossovers; provision of Crossrail 2 infrastructure; means of access; and associated works’. The amendment is to revise the wording of condition 3 (Crossrail 2 Infrastructure) and partially discharge the condition in respect of perimeter piling works.
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2026/3509/P Granted
Flat A 55 Leverton Street London NW5 2NX
Non-material amendment to planning permission 2026/0413/P dated 12/05/2026 (Erection of a single storey side and rear extension, re-construction of rear garden boundary wall, replacement of a ground floor rear window with an access door, replacement of a side door with a window, insertion of two rooflights and reinstatement of front sash windows), namely reduction in depth of proposed lightwell between existing rear elevation and new extension.
-
2026/2957/P Granted
Land to the North of the British Library 96 Euston Road London NW1 2DB
Non material amendment to planning permission 2022/1041/P dated 17/07/2024 for: ‘Demolition of the British Library Centre for Conservation, alterations to the British Library and erection of a new building of 12 above-ground storeys and two basement levels for use as library, galleries, learning, business and events spaces (Class F1) and retail and commercial spaces (Class E); provision of internal and external public spaces, landscaping and a community garden; improvement works adjacent to Dangoor Walk; provision of cycle and car parking and servicing facilities including new crossovers; provision of Crossrail 2 infrastructure; means of access; and associated works’. The amendment is to revise the wording of condition 6 (Water Main) and discharge the condition.