Planning appeal decision
5 Rowfant Road, London, SW17 7AP
Planning appeal 3365584 at 5 Rowfant Road, London, SW17 7AP (London Borough of Wandsworth) was allowed on 24 June 2026 by Inspector Naylor R, by written representations. The main issue, as the Inspector framed it: Whether the decision of the Council to refuse to grant a certificate of lawful use or development was well-founded, turning on whether the proposal would be permitted development under Schedule 2, Part 1, Class B of the Town and Country Planning (General Permitted Development)(England) Order 2015 as amended.
a l oft conversion on the outrigger roof with hip-to-gable roof and extending the existing dormer. Insertion of two roof lights on the front slope. Formal
- Authority
- London Borough of Wandsworth
- Appeal type
- ldc · Lawful Development Certificate
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Naylor R
- Postcode
- SW17 7AP
Main issues, as the Inspector framed them
- Whether the decision of the Council to refuse to grant a certificate of lawful use or development was well-founded, turning on whether the proposal would be permitted development under Schedule 2, Part 1, Class B of the Town and Country Planning (General Permitted Development)(England) Order 2015 as amended
What decided it
The existing modest rear dormer would be entirely subsumed by the proposed works and would no longer exist as a result, meaning it could not be accounted for within the resulting roof space calculations, and the proposal therefore fell within the 40 cubic metre tolerance of Class B.
What the Inspector cited
- Judgments
- Havering v Secretary of State for Communities and Local Government [2017] EWHC (Admin) 1546
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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