Planning appeal decision
27 Baronsmead Road, Barnes, London, SW13 9RR
Planning appeal 6000387 at 27 Baronsmead Road, Barnes, London, SW13 9RR (Richmond Upon Thames London Borough Council) was dismissed on 22 January 2026 by Inspector Leonard S, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the character and appearance of the host property and the wider surrounding area.
Variation of planning approval 24/0979/OUT - Condition Numbers: U0185992 Materials, U0185993 Approved Drawings, U0185998 Restrictions on use of roof to allow for addition of a new flat rooflight above the ground floor boot room, to raise the parapet height of the single storey side return extension by 225mm, extension of the existing first floor terrace, updated landscape design, addition of new minimal frame sliding doors to garden room . To replace the approved drawings’ without complying with a condition attached to planning permission Ref 25/0182/VRC, dated 18 March 2025
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Leonard S
- Postcode
- SW13 9RR
Main issues, as the Inspector framed them
- The effect of the proposal on the character and appearance of the host property and the wider surrounding area
What decided it
The proposed widening of the rear mansard outrigger would create an excessively large and visually over-dominant addition that would overwhelm the original form of the host property and materially harm the character and appearance of the established residential streetscape.
What the Inspector cited
- Development plan policies
- Local Plan Policy 28House Extensions and External Alterations Supplementary Planning Document (2015)
- National Planning Policy Framework
- Paragraph 12
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 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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