Planning appeal decision
39 Charlton Avenue, Hersham, Walton-on-Thames, Surrey, KT12 5LE
Planning appeal 3369502 at 39 Charlton Avenue, Hersham, Walton-on-Thames, Surrey, KT12 5LE (Elmbridge Borough Council) was allowed on 4 November 2025 by Inspector Heppell J, by written representations. The main issue, as the Inspector framed it: The effect of varying the condition to allow for an additional front dormer window on the character and appearance of the host property and the area.
part two/part single storey side extension, front dormer window and front, side and rear rooflights to facilitate conversion of house into 7 flats with associated parking and bin and cycle storage without complying with a condition attached to planning permission Ref 2024/2222, dated 14 October 2024
- Authority
- Elmbridge Borough Council
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Other minor developments
- Inspector
- Heppell J
- Postcode
- KT12 5LE
Main issues, as the Inspector framed them
- The effect of varying the condition to allow for an additional front dormer window on the character and appearance of the host property and the area
What decided it
The proposed dormer window, whilst wider than existing ones, would be at the same level with similar design and materials, responding positively to existing proportions without dominating the roof or creating clutter, and would not harm character and appearance.
What the Inspector cited
- Development plan policies
- Policy DM2 of the Elmbridge Local Plan Development Management Plan April 2015Policy CS5 of the Elmbridge Core Strategy July 2011Policy CS17 of the Elmbridge Core Strategy July 2011
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
Town Planner Pro holds this letter. The Appeals plan opens it and every other letter we hold, all of them searchable, with the main issues and what decided each case picked out. We do not show letters on the free site because they carry people’s names and addresses.
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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