3 Clarkson Close Cambridge Cambridgeshire CB3 0EJ
Approved on 23 May 2025
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
Single storey rear extension and alterations to fenestration.
- Received
- 28 March 2025
- Decision level
- Delegated (officer decision)
- Council
- Cambridge City Council
- Ward
- Newnham
- Agent
- David Osborn Architects Ltd
- ReceivedReceived28 Mar
- ValidatedValidated28 Mar
- Consult.Consultation2 May
- TargetTarget Date23 May
- DecidedDecided23 May
Decided in 56 days (council typically 49)
About this application
This is a full planning application for a single storey rear extension at 3 Clarkson Close Cambridge Cambridgeshire CB3 0EJ. Cambridge has handled 1,534 applications of this type. This one was decided in 56 days, 7 days longer than Cambridge's typical decision time. The site is in the West Cambridge conservation area, with 1 listed building nearby. There are no previous applications recorded at this address. In the past year there have been 188 applications across Newnham. We hold 690 applications in total for the CB3 postcode area.
90% of full applications at Cambridge City Council 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
- CB3 0EJ
- Application type
- Householder Works/Extension
- Scale / size
- Small
- District
- Cambridge City Council
Planning application dates
- Date validated
- 28 March 2025
- Consultation expiry
- 9 April 2025
- Last date for comments
- 2 May 2025
- Target decision date
- 23 May 2025
Applicant and agent
- Agent
- David Osborn Architects Ltd
- Architect profile
- DAVID OSBORN ARCHITECTS LTD
- Agent address
- 10 Bourn Bridge Road Little Abington CB21 6BJ
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 9 April 2025
- Site notice start
- 8 April 2025
Additional information
- Documents
- 16
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)Part of the site
- Conservation area: West Cambridge
- Tree Preservation Order: Ref 07/2018Next to the site · +1 more
Also checked, none recorded (22)
flood storage areas, listed buildings, Article 4 directions, 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: Cambridge
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Around this site
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Lux Electrical Installtions LtdElectrician0.8 mi
- Complete Electrical Solutions (East Anglia) LtdElectrician1.2 mi
- P J Deane ElectricalElectrician1.2 mi
- Cambridge Eco Build & ElectricalElectrician1.2 mi
Planning something similar?
See what the council approved and refused for single-storey rear extensions on your street. Pick your home and get the evidence before you pay for drawings.