1 Polstain Crescent Threemilestone Truro Cornwall TR3 6DZ Data via plota.co.uk

PA26/02064 - Full application Approved

Proposal

Proposed single storey extension and construction of a home office Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
24 Apr 2026
Consultation
24 Apr 2026
Approved
17 Jun 2026

Approved on 17 Jun 2026 · Self Sign Off (Area Team) · Last checked 8 Jul 2026

Site constraints 3

Air quality management area: AQMA 6 - Truro
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Inside the Threemilestone built-up area; the 1970s provisional farmland map had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Important details

Council
Cornwall
Application type
Full application
Postcode
TR3 6DZ
Received
24 Apr 2026
Validated
24 Apr 2026
Ward
Threemilestone And Chacewater
Parish
Kenwyn
Case officer
Show
Target decision
19 Jun 2026
Decision
Approved with conditions
Decision date
17 Jun 2026
Decision level
Self Sign Off (Area Team)
Applicant
Show
Agent
SPS Architectural Services Ltd

How this decision compares

Decided in 54 days from validation, about the council's usual 53 days. Approved, as 95% of extensions here are.

85%decided within 8 weeks
95%approved
100%go to committee

Plota live figures for extensions decided by Cornwall in the last twelve months, from validation. Cornwall decision record →

Consultation & key dates

Alt. reference
PP-14810784
Neighbours
24 Apr 2026
Comments by
15 May 2026
Env. assessment
No
Cornwall
Planning Authority Score
7.9/10
Good
#28 of 296 councils
Relevant to this application:
Householder decisions

Cornwall is faster than most councils at deciding householder applications, ranking #64 out of 296. Householder applications are more likely to be approved here than most councils, with a 97% approval rate vs 90% nationally.

More permissive than most councils
97% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Cornwall decision statistics
Based on MHCLG data, the year to March 2026
92%
Overall approval rate
Above avg (87%) #79 of 296
97%
Householder approved
Above avg (90%) #28 of 296
76%
Decided in 8 weeks
Above avg (63%) #64 of 296
35%
Extended time limit
Below avg (41%) #101 of 296
82%
Minor dwellings approved
1180 decided (1-9 homes)
94%
Major dwellings approved
67 decided (10+ homes)
93%
Change of use approved
194 decided
4,839
Total decisions
363 refused in the year to March 2026