4 Anderson Street, LONDON, SW3 3LU
Proposal
External alterations including removal of two storey conservatory at rear and replacement with new two storey glazed infill extension; new landscaping to rear garden; construction of new plant room to rear; removal of metal staircase to front lightwell and installation of bin lift; replacement of glazing to front windows and replacement of roof covering and installation of solar panels and condensers to roof; and internal alterations including installation of internal wall insulation to external facing walls; ground source heat pump; comfort cooling, mechanical ventilation and heat recovery system; damp proofing to front vault; and other internal layout alterations and refurbishment of finishes.
- Received
- 1 April 2025
- Decided
- 31 July 2025
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.
- ReceivedSubmitted1 Apr
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided31 Jul
Decided in 121 days (council typically 56)
This is a planning application for a conservatory at 4 Anderson Street, LONDON, SW3 3LU. Kensington has handled 205 applications of this type and approves 92% of them, typically deciding them in 60 days. This one was decided in 121 days, 9 weeks longer than Kensington's median. The site is in a conservation area, with 10 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 129 applications across Royal Hospital. We hold 1,475 applications in total for the SW3 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Kensington
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 202629 Jun
Variation of condition 2 (approved drawings) of planning permission PP/25/02254
ApprovedVariation of conditions (s73)PP/26/03400 - 20251 Apr
External alterations including removal of two storey conservatory at rear and replacement with new two storey…
ApprovedListed building consentFiled alongsideLB/25/02255 - 20251 Apr
External alterations including removal of two storey conservatory at rear and replacement with new two storey…
This applicationApprovedListed building consentPP/25/02254
Planning history at this site
1 other application at this property, newest first.
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Chelsea
- Article 4 direction: Article 4 - No 100
- Tree Preservation OrderCovers the site
- Flood zone 1: Low probability (rivers and sea)
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.
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