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Planning appeal decision

Dismissed5 October 20266014764

23 Castlegate, Richmond, TW9 2HL

Planning appeal 6014764 at 23 Castlegate, Richmond, TW9 2HL (Richmond upon Thames) was dismissed on 5 October 2026, by written representations. The main issue, as the Inspector framed it: the effect of the proposed development on the character and appearance of the host dwelling and the surrounding area, including its effect on trees.

Formation of a timber box, painting studio, above the current shed at the bottom of the garden. No side windows only roof lights. One glazed access door with obscured glass leading from step / ladder stair up. All side walls painted light grey . Proposal to have a green roof, with drainage off to water butt. No other facilities inside. Studio supported of existing shed, with two new column props to one side

Authority
Richmond upon Thames
Appeal type
householder · Householder
Procedure
Written
Development
other
Postcode
TW9 2HL

Main issues, as the Inspector framed them

  • the effect of the proposed development on the character and appearance of the host dwelling and the surrounding area, including its effect on trees
  • the effect of the proposed development on the living conditions of adjoining occupiers, with particular reference to outlook and privacy

What decided it

The proposed structure's scale, bulk and height would not be subordinate to the host dwelling, would dominate the rear garden, and would create unacceptable visual prominence and privacy harm to adjoining occupiers.

What the Inspector cited

Development plan policies
Policy 28Policy 42Policy 15Policy 46

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 applied

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.

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.