Land Opposite Treliever Farm Longdowns Cornwall TR10 9EU Data via plota.co.uk

PA26/00868/PREAPP - Pre-Application Publicly Available Awaiting decision

Proposal

Ultimate Planning Performance Agreement for a residential scheme of approimately 300 dwellings Data via plota.co.uk

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View original council record ↗Last checked 8 Oct 2026, 06:52

Application progress

✓

Received

around 28 Jul 2026

Decision

Expected by 9 Sept 2026

Under consideration

No decision has been issued yet. A decision is expected by 9 Sept 2026.

Documents

View the documents on the council's website ↗

Site constraints 3

Radon affected area, class 6

An estimated 30% or more of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.

From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.

UKHSA radon ↗

Also on the record

Inside the Penryn built-up area; Natural England's Provisional ALC map (1:250,000, 1970s) 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 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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: Pre-Application Publicly Available
Postcode: TR10 9EU
Received: around 28 Jul 2026
Validated: 28 Jul 2026
Ward: Constantine, Mabe And Mawnan
Parish: Mabe
Case officer: Show
Target decision: 9 Sept 2026
Applicant: Show
Agent: Phoenix Design Partnership

Public comments

No public comments yet.

Last counted 7 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry: 9 Sept 2026
Env. assessment: No

Cornwall

Planning Authority Score

7.9/10

Good

#28 of 296 councils

Relevant to this application:

Major dwellings

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