Planning appeal decision
70 Arlington Road, Teddington, TW11 8NJ
Planning appeal 6000250 at 70 Arlington Road, Teddington, TW11 8NJ (Richmond Upon Thames London Borough Council) was allowed on 19 August 2025 by Inspector Fish A, 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 dwelling and wider area.
described on the planning application form as ‘Erection of a dormer over the rear projection and chimney removal
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Fish A
- Postcode
- TW11 8NJ
Main issues, as the Inspector framed them
- The effect of the proposed development on the character and appearance of the host dwelling and wider area
- The living conditions of the neighbouring occupiers at 72 Arlington Road, with particular regard to daylight and sunlight
- Whether there are any material considerations, including any fallback position which would outweigh any identified harm
What decided it
The fallback position of the Certificate of Proposed Lawful Development for a similar dormer, combined with the presence of comparable extensions on neighbouring properties, constituted material considerations of significant weight that justified allowing the appeal despite conflict with the development plan.
What the Inspector cited
- Development plan policies
- Policy LP1Policy LP8Policy D12
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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