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Allowed11 March 20266001833

40 Thorney Hedge Road, Chiswick, London, W4 5SD

Planning appeal 6001833 at 40 Thorney Hedge Road, Chiswick, London, W4 5SD (London Borough of Hounslow) was allowed on 11 March 2026 by Inspector Lancaster K, by written representations. The main issue, as the Inspector framed it: Whether Condition No 6 is reasonable and necessary in the interests of the free flow and safety of traffic on nearby highways and to support sustainable transport objectives.

the erection of a rear roof extension with one front roof window and a single storey rear extension following the demolition of the existing conservatory to create three self-contained residential units without complying with a condition attached to planning permission Ref 01121/40/P2, dated 20 June 2023

Authority
London Borough of Hounslow
Appeal type
minor · Planning Appeal
Procedure
Written Representations
Development
residential · Other minor developments
Inspector
Lancaster K
Postcode
W4 5SD

Main issues, as the Inspector framed them

  • Whether Condition No 6 is reasonable and necessary in the interests of the free flow and safety of traffic on nearby highways and to support sustainable transport objectives

What decided it

The parking stress survey evidence demonstrated that the proposed development would not result in parking demand exceeding the Council's 90% occupancy threshold, making the restrictive condition disproportionate and unreasonable.

What the Inspector cited

Development plan policies
Policy T6 of the London Plan 2021Policy EC2 of the Hounslow Local Plan 2015-2030
National Planning Policy Framework
Paragraph 48Paragraph 57

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 applied

The decision letter

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More decisions in London Borough of Hounslow

The authority’s record since 2016 · every decision in 2026

  1. Dismissed23 October 20266011171
    45 Colonial Road, Feltham, TW14 8AA
  2. Dismissed13 October 20266007899
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  3. Dismissed20 July 20266006466
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  4. Dismissed10 July 20266006681
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  5. Dismissed9 July 20266002796
    163 Gunnersbury Lane, Ealing, Acton, W3 8LJ

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.

In the app this decision sits on the map beside every appeal around it, with its letter to read and the main issues, policies and judgments cited picked out.