Planning appeal decision
43 William Mews, London, SW1X 9HQ
Planning appeal 3274155 at 43 William Mews, London, SW1X 9HQ (City of Westminster Council) was allowed on 28 October 2021 by Inspector Thomas G, by written representations. The main issue, as the Inspector framed it: Whether or not the proposal would accord with the provisions of Part 1, Class AA, with particular regard to the external appearance of the dwellinghouse.
for erection of a roof extension of the property by 3.5 metres with a matching roof pitch and materials to accommodate additional living space for the existing dwellinghouse
- Authority
- City of Westminster Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Thomas G
- Postcode
- SW1X 9HQ
Main issues, as the Inspector framed them
- Whether or not the proposal would accord with the provisions of Part 1, Class AA, with particular regard to the external appearance of the dwellinghouse
What decided it
The GPDO expressly permits enlargements of dwellinghouses involving additional storeys irrespective of impact on the surrounding area, and the prior approval assessment is limited to the external appearance of the dwellinghouse itself, which the proposal respects through matching materials and architectural detailing.
The 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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