Planning appeal decision
20 Lakeside Avenue, Thorpeness, Leiston, IP16 4NJ
Planning appeal 3354829 at 20 Lakeside Avenue, Thorpeness, Leiston, IP16 4NJ (East Suffolk) was dismissed on 16 June 2025 by Inspector Wallace J, by written representations. The main issue, as the Inspector framed it: the effect of the proposal on the character and appearance of the area with particular regard to the Thorpeness Conservation Area.
proposed demolition of existing dwelling and erection of 2no residential dwellings
- Authority
- East Suffolk
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Minor Dwellings
- Inspector
- Wallace J
- Postcode
- IP16 4NJ
Main issues, as the Inspector framed them
- the effect of the proposal on the character and appearance of the area with particular regard to the Thorpeness Conservation Area
- the effect of the proposal on the living conditions of neighbouring occupiers
What decided it
The harm to the character and appearance of the Thorpeness Conservation Area through subdivision of the spacious plot into two incongruous narrower plots could not be justified by the public benefits offered by the proposal.
What the Inspector cited
- Development plan policies
- SCLP5.7SCLP11.2
- National Planning Policy Framework
- Paragraph 212Paragraph 213Paragraph 215Paragraph 16
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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