Planning appeal decision
125 Somerset Avenue, Chessington, KT9 1PS
Planning appeal 3327698 at 125 Somerset Avenue, Chessington, KT9 1PS (Royal Borough of Kingston Upon Thames) was allowed on 20 December 2023 by Inspector Willmer P, by written representations. The main issue, as the Inspector framed it: The effect of the proposed development on the living conditions of occupiers of 123 Somerset Avenue in terms of its potential to result in a sense of enclosure, have an overbearing impact and cause loss of outlook.
erection of single storey rear conservatory extension and alterations to patio
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Willmer P
- Postcode
- KT9 1PS
Main issues, as the Inspector framed them
- The effect of the proposed development on the living conditions of occupiers of 123 Somerset Avenue in terms of its potential to result in a sense of enclosure, have an overbearing impact and cause loss of outlook
What decided it
The location and orientation of the neighbouring property's rear outshot, combined with the modest height of the conservatory relative to typical boundary fencing and the suburban context, meant the development would not result in significant harm to neighbouring living conditions.
What the Inspector cited
- Development plan policies
- London Plan 2021 D3Policy CS8Policy DM10
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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The authority’s record since 2016 · every decision in 2023
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- Dismissed7 October 2026601191211 Kingsdowne Road, Surbiton, KT6 6JZ
- 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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