Planning appeal decision
79 Mayfair Avenue , Worcester Park , KT4 7SJ
Planning appeal 3366503 at 79 Mayfair Avenue , Worcester Park , KT4 7SJ (Royal Borough of Kingston Upon Thames) was allowed on 18 August 2025 by Inspector Perrins N, 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 property and surrounding area.
erection of part hip to gable and rear dormer roof extensions with installation of 3 Nos. front rooflights to facilitate loft conversion
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Perrins N
- Postcode
- KT4 7SJ
Main issues, as the Inspector framed them
- The effect of the proposed development on the character and appearance of the host property and surrounding area
What decided it
The rear dormer, when considered in the context of the property's already-altered roof form and the varied roofscape character of the area, would appear proportionate and appropriately designed rather than unacceptably out of character.
What the Inspector cited
- Development plan policies
- Policy DM10Policy D3Policy D12
- National Planning Policy Framework
- Paragraph 57
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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What an account adds to this decision


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- Dismissed6 October 20266009912Onslow House First Floor Flat, 1 Crummock Chase, Surbiton, KT6 4NP
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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