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Dismissed7 March 20253353933

Thai Warung, 3 Nicholsons Lane, Maidenhead, SL6 1HR

Planning appeal 3353933 at Thai Warung, 3 Nicholsons Lane, Maidenhead, SL6 1HR (Royal Borough of Windsor and Maidenhead) was dismissed on 7 March 2025 by Inspector Cullen F, by written representations. The main issue, as the Inspector framed it: Whether the proposal would i) preserve the Grade II listed building or any features of special architectural or historic interest which it possesses and ii) preserve or enhance the character or appearance of the Maidenhead Town Centre Conservation Area.

part change of use of 1st floor from A3 (restaurant) to C3 (residential), demolition of existing conservatory, construction of new conservatory and raising of roof at rear, new dormers to accommodate for the addition of 1 flat

Authority
Royal Borough of Windsor and Maidenhead
Appeal type
minor · Planning Appeal
Procedure
Written Representations
Development
residential · Change of use
Inspector
Cullen F
Postcode
SL6 1HR

Main issues, as the Inspector framed them

  • Whether the proposal would i) preserve the Grade II listed building or any features of special architectural or historic interest which it possesses and ii) preserve or enhance the character or appearance of the Maidenhead Town Centre Conservation Area
  • Whether the proposed development would provide satisfactory living conditions for future occupiers, with regard to the provision of private and communal outdoor amenity space
  • Whether it has been demonstrated that the proposed development would adapt to and mitigate climate change

What decided it

The harm to the significance of the Grade II listed building and conservation area, which would not be outweighed by the public benefits of the proposal, combined with failures to provide satisfactory living conditions and demonstrate climate change mitigation, meant the proposal conflicted with the development plan and there were no material considerations to indicate otherwise.

The moderate weight of public benefits (housing supply, economic and social benefits, energy efficiency improvements) was outweighed by the substantial weight of harm to designated heritage assets, inadequate living conditions and failure to demonstrate climate change mitigation, resulting in dismissal.

What the Inspector cited

Development plan policies
Policy HE1Policy QP3Policy SP2Policy EP1
National Planning Policy Framework
Paragraph 11Paragraph 125Paragraph 167Paragraph 212Paragraph 213Paragraph 215
Judgments
Holborn Studios Ltd v The Council of the London Borough of Hackney (2018); Bernard Wheatcroft v Secretary of State for the Environment (1982)

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 2025

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  5. Notice upheld24 September 20263353235
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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.

In the app this decision sits on the map beside every appeal around it, with its letter to read and the main issues, policies and judgments cited picked out.