Planning appeal decision
11 Lessingham Avenue , London, SW17 8LZ
Planning appeal 3314475 at 11 Lessingham Avenue , London, SW17 8LZ (London Borough of Wandsworth) was dismissed on 17 May 2023 by Inspector Hall C, by written representations. The main issue, as the Inspector framed it: The effect of the development on the character and appearance of the existing dwelling and the surrounds, including the Totterdown Fields Conservation Area.
for erection of rear dormer roof extension with associated alterations
- Authority
- London Borough of Wandsworth
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Hall C
- Postcode
- SW17 8LZ
Main issues, as the Inspector framed them
- The effect of the development on the character and appearance of the existing dwelling and the surrounds, including the Totterdown Fields Conservation Area
What decided it
The mansard extension would dominate the roof through its scale and extent, lack subservience, and use inappropriate materials that would materially harm the character and appearance of the dwelling and its Conservation Area setting.
What the Inspector cited
- Development plan policies
- DMS1DMH5
- National Planning Policy Framework
- Paragraph 199
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


More decisions in London Borough of Wandsworth
The authority’s record since 2016 · every decision in 2023
- Dismissed27 October 20266011378First and Second Floor Maisonette, 184 Putney Bridge Road, London, SW15 2NG
- Dismissed27 October 202660112588 Mysore Road, London, SW11 5SB
- Dismissed27 October 2026601045272 Frensham Drive, London, SW15 3EF
- Allowed26 October 2026601318023, Sutherland Grove, London, SW18 5PS
- Dismissed15 October 202660143905 Banbury Street,, London, SW11 3EJ
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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