®Planning appeal decision
3 Keystone Crescent, London, N1 9DS
Planning appeal 3366692 at 3 Keystone Crescent, London, N1 9DS (London Borough of Islington) was allowed on 6 November 2025 by Inspector Tucker A, by written representations. The main issue, as the Inspector framed it: The effect of the proposals upon the significance of the grade II listed building known as Numbers 1 to 18 (Consecutive) and attached railings, Keystone Crescent, and whether they would preserve or enhance the character or appearance of the Keystone Crescent Conservation Area.
refurbishment of existing house, to create 2-3 bedroomed home. Single storey rear extension at lower-ground floor level. Small rear dormer extension at second floor level
- Authority
- London Borough of Islington
- Appeal type
- householder · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Tucker A
- Postcode
- N1 9DS
Main issues, as the Inspector framed them
- The effect of the proposals upon the significance of the grade II listed building known as Numbers 1 to 18 (Consecutive) and attached railings, Keystone Crescent, and whether they would preserve or enhance the character or appearance of the Keystone Crescent Conservation Area
What decided it
The low level of less than substantial harm to the listed building caused by the roof extensions is outweighed by the public benefits of repair, reinstatement of historic features, and provision of family housing.
The low level of less than substantial harm to the significance of the listed building is outweighed by the public benefits of bringing the dwellings back into good repair, reinstating historic features, and contributing to the supply of family housing locally.
What the Inspector cited
- Development plan policies
- Policy DH1Policy DH2
- National Planning Policy Framework
- Paragraph 215
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.