Planning appeal decision
36, Northumberland Avenue, Isleworth, TW7 5HU
Planning appeal 3272517 at 36, Northumberland Avenue, Isleworth, TW7 5HU (London Borough of Hounslow) was dismissed on 20 August 2021 by Inspector Hendley D, by written representations. The main issue, as the Inspector framed it: the effect of the proposal on the character and appearance of the building and the area.
2 No. 2 storey side extensions to detached house and a rear dormer loft conversion
- Authority
- London Borough of Hounslow
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Hendley D
- Postcode
- TW7 5HU
Main issues, as the Inspector framed them
- the effect of the proposal on the character and appearance of the building and the area
What decided it
The proposal would have an unacceptable effect on the character and appearance of the building and the area due to the excessive scale and non-subservient design of the extensions on a prominent corner plot, contrary to local plan policies CC1, CC2 and SC7.
What the Inspector cited
- Development plan policies
- Policy 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 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.
®