15 Mitchell Hill Terrace Mitchell Hill Truro Cornwall TR1 1HY
Approved on 11 September 2026
Council decision: Approved with conditions
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
A new single-storey rear extension to replace an existing rear extension and re-configure the rear off-shot to form an open-plan living space, as well as an attic conversion to provide an additional bedroom with new rooflights.
- Received
- 20 July 2026
- Public comments
- 2 · last counted 9 October 2026
- Council
- Cornwall Council
- Ward
- Truro Moresk And Trehaverne
- Agent
- Croft Design Collective LLP
- ReceivedReceived20 Jul
- ValidatedValidated20 Jul
- Consult.Consultation10 Aug
- TargetTarget Date14 Sep
- DecidedDecided11 Sep
Decided in 53 days (council typically 49)
About this application
This is a full planning application for a single storey rear extension at 15 Mitchell Hill Terrace Mitchell Hill Truro Cornwall TR1 1HY. Cornwall has handled 24,959 applications of this type. This one was decided in 53 days, 4 days longer than Cornwall's typical decision time. The site is in the Truro conservation area. There has been 1 other application at this address. In the past year there have been 109 applications across Truro Moresk And Trehaverne. We hold 395 applications in total for the TR1 postcode area.
94% of full applications at Cornwall 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.See what's approved near your address
Application details
- Postcode
- TR1 1HY
- Application type
- Full application
- Scale / size
- Small
- Parish
- Truro
Planning application dates
- Date validated
- 20 July 2026
- Consultation expiry
- 10 August 2026
- Consultation end
- 10 August 2026
- Neighbour consultation start
- 20 July 2026
- Neighbour consultation end
- 10 August 2026
- Target decision date
- 14 September 2026
Applicant and agent
- Agent
- Croft Design Collective LLP
- Agent address
- Studio F7C Old Bakery Studios Blewetts Wharf Malpas Road Truro TR1 1QH
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 31 July 2026
Additional information
- Planning Portal ID
- PP-14891146
- Documents
- 19
- Constraints
- 18
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Truro
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.
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.
Planning history at this site
1 other application at this property, newest first.
Source: Cornwall
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near TR1
New planning applications delivered to your inbox daily.
Around this site
Nearby applications
- 15 Mitchell Hill Terrace Mitchell Hill Truro Cornwall TR1 1HYPA26/00284/PREAPP · OutlineAwaiting decision0.0 mi
- Woodland Cottage Mitchell Hill Truro Cornwall TR1 1JFPA26/01605 · TreesAwaiting decision0.0 mi
- 21A Carvoza Road Truro Cornwall TR1 1BAPA26/01722 · TreesApproved0.0 mi
- Cotham The Avenue Truro Cornwall TR1 1HRPA26/07544 · TreesAwaiting decision0.1 mi
- 1 Belmont Villas The Avenue Truro Cornwall TR1 1HSPA26/00202 · FullAwaiting decision0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Cornwall Glass (Manufacturing) LimitedElectrician0.4 mi
- Cruse Electrical LtdElectrician0.4 mi
- Gunn ElectricalElectrician0.4 mi
- Truro Building Services (Cornwall) LimitedTruro0.4 mi
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.
Get The Signal Report