Planning appeal decision
Treverbyn Cottage, Goonhavern, Truro, Cornwall , TR4 9NP
Planning appeal 3353230 at Treverbyn Cottage, Goonhavern, Truro, Cornwall , TR4 9NP (Cornwall Council) was allowed on 18 February 2026 by Inspector Bale M, by written representations. The main issue, as the Inspector framed it: Whether the site is an appropriate location for the development in respect of the policies of the development plan.
An annexe at Treverbyn Cottage
- Authority
- Cornwall Council
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Other minor developments
- Inspector
- Bale M
- Postcode
- TR4 9NP
Main issues, as the Inspector framed them
- Whether the site is an appropriate location for the development in respect of the policies of the development plan
- The effect of the development on the character and appearance of the area
What decided it
The imposition of a condition restricting the annexe to use as part of the main dwelling, combined with the functional and physical integration of the building with the existing house, meant the development did not conflict with policies preventing new independent dwellings in the countryside.
What the Inspector cited
- Development plan policies
- Policy 2Policy 3Policy 7Policy 12Policy 23Policy 1
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.
See how each was appliedThe decision letter
Town Planner Pro holds this letter. The Appeals plan opens it and every other letter we hold, all of them searchable, with the main issues and what decided each case picked out. We do not show letters on the free site because they carry people’s names and addresses.
With an account
What an account adds to this decision


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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.
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