19 Cumberland Street London SW1V 4LS
Proposal
Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory, new roof level rear single dormer with access to third floor roof terrace, alterations to windows and external refurbishment.
- Received
- 9 December 2025
- Decided
- 20 March 2026
- Council
- City of Westminster
- ReceivedSubmitted9 Dec
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided20 Mar
Decided in 101 days
This is a planning application for a dormer extension at 19 Cumberland Street London SW1V 4LS. Westminster has handled 26,489 applications of this type and approves 88% of them, typically deciding them in 54 days. This one was decided in 101 days, 7 weeks longer than Westminster's median. The site is in the Pimlico conservation area, with 3 listed buildings nearby. There have been 2 other applications at this address. We hold 1,097 applications in total for the SW1V postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 202611 Sep
Amendments to planning permission dated 20th March 2026 (RN:25/08960/FULL
PendingNon-material amendmentAmendment26/06251/NMA - 202628 May
Detailed drawings of new external windows and doors; new dormer window showing relationship with the roof and…
ApprovedDischarge of conditions26/03499/ADFULL - 20259 Dec
Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory…
This applicationApprovedApplication25/08960/FULL
Planning history at this site
1 other application at this property, newest first.
Planning constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)
- Conservation area: Pimlico
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed
Also checked, none recorded (22)
flood storage areas, listed buildings, tree preservation orders, 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.
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