Tregilly Cottage, Trewennack, Helston, TR13 0PQ

Planning appeal 6008590 at Tregilly Cottage, Trewennack, Helston, TR13 0PQ (Cornwall) was dismissed on 14 October 2026, by written representations. The main issue, as the Inspector framed it: whether the appeal building is a non-designated heritage asset (NDHA), and if so, the effect of the proposal on the NDHA.

demolition of existing dwelling and replacement with new

Authority: Cornwall
Appeal type: minor · Planning
Procedure: Written
Development: residential
Postcode: TR13 0PQ

Main issues, as the Inspector framed them

whether the appeal building is a non-designated heritage asset (NDHA), and if so, the effect of the proposal on the NDHA
the effect of the proposal on the character and appearance of the area

What decided it

The total loss of the non-designated heritage asset and its moderate significance, which the Inspector afforded significant weight, substantially outweighed the modest benefits of the proposal.

The benefits of the proposal, including energy efficiency, improved living conditions, highway safety improvements and economic benefits, were afforded modest weight and were substantially outweighed by the adverse effects due to the significant weight afforded to the total loss of the NDHA and its associated significance, in combination with the modest harm to the character and appearance of the area.

What the Inspector cited

Development plan policies: LP Policy 1LP Policy 2LP Policy 24LP Policy 7LP Policy 12LP Policy 23Policy C1 of the Climate Emergency Development Plan Document 2023

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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The authority’s record since 2016 · every decision in 2026

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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.