Planning appeal decision
17 Thornbury Road, Isleworth, TW7 4HQ
Planning appeal 3267161 at 17 Thornbury Road, Isleworth, TW7 4HQ (London Borough of Hounslow) was dismissed on 11 June 2021 by Inspector Indermaur S, by written representations. The main issue, as the Inspector framed it: whether the proposal would preserve or enhance the character or appearance of the Spring Grove Conservation Area.
a “locally listed home extension at ground level, fence and protection of dwells against falls
- Authority
- London Borough of Hounslow
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Indermaur S
- Postcode
- TW7 4HQ
Main issues, as the Inspector framed them
- whether the proposal would preserve or enhance the character or appearance of the Spring Grove Conservation Area
What decided it
The absence of substantive public benefits to weigh against the less than substantial harm to the conservation area's character and appearance meant the proposal could not be justified.
the less than substantial harm to the conservation area was not outweighed by any substantive public benefits, and the private benefits to the householder attracted only minimal weight
What the Inspector cited
- Development plan policies
- Policy SC7Policy CC1Policy CC2Policy CC4
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 2021
- 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.
®