73 Alderney Street SW1V 4HH
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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
Replacement of existing roof glazing at basement level roofing of existing small open yard at basement level; re-building of existing back extension at second floor level; raising of external cornice by 200mm and extended for the full width of the facade; reduction of rear elevation bathroom's window at third floor level; rebuilding of mansard roof; new dormer at rear elevation to match the existing dormer at No 71; and removal of redundant water tank.
- Received
- 16 May 2024
- Decision due
- 19 July 2024
- Council
- City of Westminster
- Ward
- Pimlico North
- Agent
- CBO Architects.com
- ReceivedReceived16 May
- ValidatedValidated24 May
- Consult.Consultation
- TargetTarget Date19 Jul
- DecidedDecided
Have your say
About this application
This is a full planning application for a dormer extension at 73 Alderney Street SW1V 4HH. Westminster has handled 4,484 applications of this type. It has been with the council since 16 May 2024 and is still awaiting a decision. The site is in the Pimlico conservation area, with 5 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 73 applications across Pimlico North. We hold 1,119 applications in total for the SW1V postcode area.
86% of full applications at City of Westminster 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.See what's approved near your address
Application details
- Postcode
- SW1V 4HH
- Application type
- Full Planning Permission Application
- Scale / size
- Small
Planning application dates
- Date validated
- 24 May 2024
Applicant and agent
- Agent
- CBO Architects.com
- Agent address
- UNIT 304 241-251 Ferndale Rd London SW9 8BJ United Kingdom
Planning decision
- Statutory period
- 56 days
Site 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 2026-11-03. 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
2 other applications at this property, newest first.
Source: Westminster
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
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For applicants and trades
Before the decision
You may need a flood risk assessment. Drainage & flood risk consultants near this site
The site is in flood zone 3 (Environment Agency).
- 2.1 miLondon
- 2.2 miLONDONRTPI
- 2.9 miLondon
Nearest first, within 25 miles of the site. Every firm is listed free.
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing1.3 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman2.4 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering3.6 mi
- Orient Construction Consultancy LimitedVerifiedLondon5.0 mi
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