302 Cowley Mansions Mortlake High Street Mortlake London SW14 8SL
Approved on 9 March 2020
Council decision: Granted PermissionDelegated (officer decision)
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.
Proposal
Rear dormer roof extension and rooftop extension over existing rear roof terrace. 2 no. rooflights on front roof slope.
- Received
- 28 October 2019
- Decision level
- Delegated (officer decision)
- Ward
- Mortlake & Barnes Common Ward - Historic [MBC]
- ReceivedReceived28 Oct
- ValidatedValidated6 Nov
- Consult.Consultation6 Dec
- TargetTarget Date1 Jan
- DecidedDecided9 Mar
Decided in 124 days (council typically 49)
About this application
This is a full planning application for a dormer extension at 302 Cowley Mansions Mortlake High Street Mortlake London SW14 8SL. Richmond has handled 4,063 applications of this type. This one was decided in 133 days, 12 weeks longer than Richmond's typical decision time. The site is in the Mortlake conservation area, with 1 listed building nearby. There are no previous applications recorded at this address. We hold 1,789 applications in total for the SW14 postcode area.
83% of full applications at London Borough of Richmond upon Thames 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.Planning something similar? See what gets approved on your street
Application details
- Postcode
- SW14 8SL
- Application type
- Full Application
- Scale / size
- Small
- Parish
- Mortlake Village
- District
- DC South Team
Planning application dates
- Date validated
- 6 November 2019
- Consultation expiry
- 6 December 2019
- Consultation end
- 6 December 2019
- Neighbour consultation start
- 8 November 2019
- Target decision date
- 1 January 2020
- Application expires
- 6 December 2019
- Permission expires
- 9 March 2023
Applicant and agent
- Agent address
- Mr Stephen Reyburn 115 White Hart Lane Barnes SW13 0BL United Kingdom
Planning decision
- Statutory period
- 56 days
Publicity
- First advertised
- 15 November 2019
- Site notice start
- 15 November 2019
Additional information
- Planning Portal ID
- PP-08253659
- UPRN
- 100023310374
- Documents
- 22
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)Part of the site
- Conservation area: Mortlake
Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (21)
flood storage areas, listed buildings, 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.
Source: Richmond
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
- 314 Cowley Mansions Mortlake High Street, Mortlake02/3093 · FullRefused0.0 mi
- 6 Second Avenue Mortlake03/1197/HOT · FullApproved0.0 mi
- 1 Second Avenue Mortlake02/3552 · FullApproved0.0 mi
- 3, Second Avenue, London, SW14 8QFPA26/2579 · FullApproved0.0 mi
- 12 Second Avenue Mortlake London SW14 8QE19/0281/HOT · FullApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing5.7 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.9 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman6.2 mi
- Bello Electrics LTDVerifiedElectrician7.0 mi
Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.