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Planning appeal decision

Allowed28 April 20253356600

11 Hall Road, Isleworth, TW7 7PA

Planning appeal 3356600 at 11 Hall Road, Isleworth, TW7 7PA (London Borough of Hounslow) was allowed on 28 April 2025 by Inspector O'Brien L, by written representations. The main issue, as the Inspector framed it: Whether the proposal, by virtue of its design, would constitute a separate unit of residential accommodation not ancillary to No 11 Hall Road and, if not ancillary, the possible implications for character and appearance of the area and living conditions of neighbouring occupiers.

Construction of a single storey extension to facilitate the conversion of the existing garage to an ancillary annex. The annex would comprise: Shower Room, Open plan bedroom/living room

Authority
London Borough of Hounslow
Appeal type
householder · Householder (HAS)
Procedure
Written Representations
Development
residential · Householder developments
Inspector
O'Brien L
Postcode
TW7 7PA

Main issues, as the Inspector framed them

  • Whether the proposal, by virtue of its design, would constitute a separate unit of residential accommodation not ancillary to No 11 Hall Road and, if not ancillary, the possible implications for character and appearance of the area and living conditions of neighbouring occupiers

What decided it

The proposed building would be clearly subservient in scale and facilities, lack independent kitchen provision, and be functionally dependent on the host dwelling, making it ancillary rather than a separate residential unit, which could be secured by planning condition.

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.

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The decision letter

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More decisions in London Borough of Hounslow

The authority’s record since 2016 · every decision in 2025

  1. Allowed26 October 20266015572
    3 Chatsworth Crescent, Hounslow, TW3 2PE
  2. Dismissed23 October 20266011172
    45 Colonial Road, Feltham, TW14 8AA
  3. Dismissed23 October 20266011171
    45 Colonial Road, Feltham, TW14 8AA
  4. Allowed21 October 20266013999
    1 Cassiobury Avenue, Feltham, TW14 9JE
  5. Dismissed19 October 20266015127
    251 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.

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.