Planning appeal decision
Flat C, 66 Priory Road, London, NW6 3RE
Planning appeal 3309035 at Flat C, 66 Priory Road, London, NW6 3RE (London Borough of Camden) was dismissed on 26 April 2023 by Inspector Whalley J, by written representations. The main issue, as the Inspector framed it: Whether the proposed mansard roof extension, by virtue of its location, design, bulk and use of materials, would be an unacceptably incongruous addition to the No. 66 building.
the erection of a first floor side/rear mansard roof extension
- Authority
- London Borough of Camden
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Other minor developments
- Inspector
- Whalley J
- Postcode
- NW6 3RE
Main issues, as the Inspector framed them
- Whether the proposed mansard roof extension, by virtue of its location, design, bulk and use of materials, would be an unacceptably incongruous addition to the No. 66 building
What decided it
The proposed mansard roof extension with zinc cladding would appear incongruous and fail to preserve or enhance the character or appearance of the South Hampstead Conservation Area, contrary to the statutory duty under section 72 of the Planning (Listed Buildings and Conservation Areas) Act 1990 and Policies D1 and D2 of the Local Plan.
What the Inspector cited
- Development plan policies
- Policy D1Policy D2
- National Planning Policy Framework
- Paragraph 006
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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