94-96 Coppermill Road, Staines, TW19 5NS

Planning appeal 3374975 at 94-96 Coppermill Road, Staines, TW19 5NS (Royal Borough of Windsor and Maidenhead) was dismissed on 10 February 2026 by Inspector Clark L, by written representations. The main issue, as the Inspector framed it: Whether the scheme is inappropriate development in the Green Belt.

‘retention of existing single storey rear extension and outbuilding to the guest house use.’

Authority: Royal Borough of Windsor and Maidenhead
Appeal type: minor · Planning Appeal
Procedure: Written Representations
Development: residential · Other minor developments
Inspector: Clark L
Postcode: TW19 5NS

Main issues, as the Inspector framed them

Whether the scheme is inappropriate development in the Green Belt
Its effect on the openness of the Green Belt
Whether the development is at an unacceptable risk of flooding
If the scheme is inappropriate development, whether any harm by reason of inappropriateness, and any other harm, would be clearly outweighed by other considerations, so as to amount to the very special circumstances required to justify it

What decided it

The substantial harm to the Green Belt through inappropriate development and loss of openness, combined with unresolved flood risk concerns, was not clearly outweighed by other considerations such that very special circumstances do not exist to justify the development.

What the Inspector cited

Development plan policies: Policy QP5Policy NR1
National Planning Policy Framework: Paragraph 154

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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More decisions in Royal Borough of Windsor and Maidenhead

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

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Dismissed27 July 20266008948
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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.