Planning appeal decision
42 Sandycoombe Road, Twickenham, TW1 2LR
Planning appeal 3330337 at 42 Sandycoombe Road, Twickenham, TW1 2LR (Richmond Upon Thames London Borough Council) was dismissed on 14 February 2024 by Inspector Andrews M, by written representations. The main issue, as the Inspector framed it: The effect of the proposed alterations and additions on the character and appearance of the host dwelling; the Sandycoombe Road street scene, and the Cambridge Park Conservation Area.
the conversion of the existing roof into habitable space by raising the roof to form a ridge; changing the pitch of the front and roof slope; raising the parapet walls and chimneys; erecting a pitched roof dormer at the rear and installing three roof lights at the front and one at the rear roof slope
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Andrews M
- Postcode
- TW1 2LR
Main issues, as the Inspector framed them
- The effect of the proposed alterations and additions on the character and appearance of the host dwelling; the Sandycoombe Road street scene, and the Cambridge Park Conservation Area
What decided it
The proposed roof alterations would cause less than substantial harm to the significance of the conservation area and the setting of the listed building, and the minor economic benefits do not outweigh this harm.
What the Inspector cited
- Development plan policies
- Policy LP1Policy LP2Policy LP3
- National Planning Policy Framework
- Paragraph 208
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
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With an account
What an account adds to this decision


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The authority’s record since 2016 · every decision in 2024
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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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