Planning appeal decision
33 The Avenue, Cowley, Hillingdon, Uxbridge, UB8 3AD
Planning appeal 3308315 at 33 The Avenue, Cowley, Hillingdon, Uxbridge, UB8 3AD (London Borough of Hillingdon) was allowed on 8 June 2023 by Inspector Gunn J, 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 surrounding area.
described on the application form as ‘Planning approval is requested for the proposal for a first-floor rear extension
- Authority
- London Borough of Hillingdon
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Gunn J
- Postcode
- UB8 3AD
Main issues, as the Inspector framed them
- The effect of the proposed development on the character and appearance of the host property and the surrounding area
What decided it
The proposed extension would not cause harm to the character and appearance of the host property and surrounding area, being appropriately scaled, subservient in design, and compatible with the existing dwelling.
What the Inspector cited
- Development plan policies
- Policy BE1 of the Hillingdon - A Vision for 2026 Local Plan: Part One - Strategic Policies (2014)Policy DMHD 11 of the London Borough of Hillingdon Local Plan: Part Two – Development Management Policies (2020)Policy DMHB 12 of the London Borough of Hillingdon Local Plan: Part Two – Development Management Policies (2020)Policy DMHD 1 of the London Borough of Hillingdon Local Plan: Part Two – Development Management Policies (2020)
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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What an account adds to this decision


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The authority’s record since 2016 · every decision in 2023
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- Dismissed19 October 20266011268364 Victoria Road, Ruislip, HA4 0ET
- Allowed6 October 2026601385888 Stormount Drive, Hayes, UB3 1RH
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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