Planning appeal decision
Amwell House , The Woodlands, Isleworth, TW7 6NZ
Planning appeal 3346071 at Amwell House , The Woodlands, Isleworth, TW7 6NZ (London Borough of Hounslow) was allowed on 20 October 2025 by Inspector Cahalane R, by written representations. The main issue, as the Inspector framed it: The effect of the proposed development on the character and appearance of Amwell House and the surrounding area, including the setting of surrounding Heritage Assets.
an additional storey to create 2 no. apartments each with private amenity space
- Authority
- London Borough of Hounslow
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Minor Dwellings
- Inspector
- Cahalane R
- Postcode
- TW7 6NZ
Main issues, as the Inspector framed them
- The effect of the proposed development on the character and appearance of Amwell House and the surrounding area, including the setting of surrounding Heritage Assets
- Whether acceptable living conditions would be provided for current and future occupiers of the proposed apartments with regard to communal open space
What decided it
The proposal's careful design with setback distances, flat roof form, and screening by existing trees and buildings ensures it would not harm the character of Amwell House, its surroundings, or the setting of nearby heritage assets, while providing adequate communal open space for future occupiers.
What the Inspector cited
- Development plan policies
- Policy CC1Policy CC2Policy SC4Policy CC4Policy SC5Policy D3Policy D4Policy D6
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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With an account
What an account adds to this decision


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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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