Planning appeal decision
1 Napier Road, Isleworth, TW7 7HP
Planning appeal 3329286 at 1 Napier Road, Isleworth, TW7 7HP (London Borough of Hounslow) was dismissed on 12 December 2023 by Inspector Couper C, 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 the area, including whether it would preserve or enhance the character or appearance of the Isleworth Riverside Conservation Area.
a single storey rear extension with side infill, a first-floor side infill and a single dormer loft conversion
- Authority
- London Borough of Hounslow
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Couper C
- Postcode
- TW7 7HP
Main issues, as the Inspector framed them
- The effect of the proposed development on the character and appearance of the host property and the area, including whether it would preserve or enhance the character or appearance of the Isleworth Riverside Conservation Area
What decided it
The combined bulk, scale and rectilinear form of the development would be markedly at odds with the area's prevailing character and would significantly harm the conservation area, with no public benefits sufficient to outweigh this harm.
What the Inspector cited
- Development plan policies
- Policy CC4Policy CC1Policy CC2Policy SC7
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


More decisions in London Borough of Hounslow
The authority’s record since 2016 · every decision in 2023
- Allowed26 October 202660155723 Chatsworth Crescent, Hounslow, TW3 2PE
- Dismissed23 October 2026601117245 Colonial Road, Feltham, TW14 8AA
- Dismissed23 October 2026601117145 Colonial Road, Feltham, TW14 8AA
- Allowed21 October 202660139991 Cassiobury Avenue, Feltham, TW14 9JE
- Dismissed19 October 20266015127251 Jersey Road, Isleworth, TW7 4RF
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.
®