Planning appeal decision
1 Kelvedon Mews, London, N1 3FW
Planning appeal 3373376 at 1 Kelvedon Mews, London, N1 3FW (London Borough of Islington) was dismissed on 16 December 2025 by Inspector Clark L, by written representations. The main issue, as the Inspector framed it: the effect of the proposal on the character and appearance of Kelvedon Mews and whether the proposed development would preserve or enhance the character or appearance of the nearby East Canonbury Conservation Area (the CA), a designated heritage asset.
roof extension to provide additional bedrooms for growing family
- Authority
- London Borough of Islington
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Clark L
- Postcode
- N1 3FW
Main issues, as the Inspector framed them
- the effect of the proposal on the character and appearance of Kelvedon Mews and whether the proposed development would preserve or enhance the character or appearance of the nearby East Canonbury Conservation Area (the CA), a designated heritage asset
- the effect of the proposed development on the living conditions of occupiers within 10 Warley House (No 10), with particular reference to outlook
- whether the proposed development would provide acceptable living conditions for existing and future occupiers of the appeal site (No 1) with particular regard to private amenity space
What decided it
The proposal conflicts with the development plan by causing unacceptable harm to the character and appearance of Kelvedon Mews and to the living conditions of neighbouring occupiers regarding outlook, with no material considerations indicating a decision otherwise than in accordance with the development plan.
What the Inspector cited
- Development plan policies
- SDMP Policy DH1SDMP policy PLAN1Policy D4 of the London Plan 2021SDMP policy H5
- National Planning Policy Framework
- Paragraph 11
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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- Notice upheld23 September 20263364241First and Second Floors, 72 Prebend Street, Islington, London, N1 8PR
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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