Trevelo Farm, Road From Junction Southwest Of Fern Cottage To A390, Three Burrows, Blackwater, Truro, Cornwall, TR4 8HX

Planning appeal 3360401 at Trevelo Farm, Road From Junction Southwest Of Fern Cottage To A390, Three Burrows, Blackwater, Truro, Cornwall, TR4 8HX (Cornwall Council) was allowed on 22 August 2025 by Inspector Rose C, by written representations. The main issue, as the Inspector framed it: the effect of the proposed development on the character and appearance of the area with reference to the Cornwall and West Devon Mining Landscape World Heritage Site (WHS), including the effect on any non-designated heritage asset (NDHA).

single storey rear extension

Authority: Cornwall Council
Appeal type: householder · Householder (HAS)
Procedure: Written Representations
Development: residential · Householder developments
Inspector: Rose C
Postcode: TR4 8HX

Main issues, as the Inspector framed them

the effect of the proposed development on the character and appearance of the area with reference to the Cornwall and West Devon Mining Landscape World Heritage Site (WHS), including the effect on any non-designated heritage asset (NDHA)
protected species, specifically bats

What decided it

The extension would be well-screened from view, appear subservient to the host dwelling, and would not necessitate removal of trees or work to the eaves that might harm protected bat species.

What the Inspector cited

Development plan policies: Policy 1Policy 2Policy 12Policy 23Policy C1Policy HE1Policy HE4Policy BI01Policy BI02Policy BI04
National Planning Policy Framework: Paragraph 15

How the Inspector dealt with each one is set out in the app, in order: the development plan, national policy, housing land supply, other considerations and the planning balance, beside the letter.

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The decision letter

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14 other decided appeals within two kilometres of this site. In the app every dot opens its decision, and its letter wherever one was published, and you can draw your own site to see what has been decided around it.AllowedDismissedSplitThis decision

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The authority’s record since 2016 · every decision in 2025

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The main issues, what decided it, the planning balance and the policies and judgments listed as cited are read from the published letter by Town Planner Pro and are our summary, not the Inspector’s words; the letter itself is the record. Contains public sector information licensed under the Open Government Licence v3.0. Research, not advice.