Planning appeal decision
4 Grantbridge Street, Islington , London, N1 8JN
Planning appeal 3304040 at 4 Grantbridge Street, Islington , London, N1 8JN (London Borough of Islington) was dismissed on 7 February 2023 by Inspector Bayliss G, by written representations. The main issue, as the Inspector framed it: Whether the proposal would preserve or enhance the character or appearance of the Duncan Terrace/Colebrook Row Conservation Area.
a mansard roof extension, reinstatement of butterfly roof detail at rear
- Authority
- London Borough of Islington
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Bayliss G
- Postcode
- N1 8JN
Main issues, as the Inspector framed them
- Whether the proposal would preserve or enhance the character or appearance of the Duncan Terrace/Colebrook Row Conservation Area
What decided it
The proposal would cause less than substantial harm to the character and appearance of the Conservation Area by disrupting the distinctive and unified roofscape, and the limited public benefits do not outweigh this harm.
What the Inspector cited
- Development plan policies
- Policy CS9Policy DM2.1Policy DM2.3
- National Planning Policy Framework
- Paragraph 202
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
Town Planner Pro holds this letter. The Appeals plan opens it and every other letter we hold, all of them searchable, with the main issues and what decided each case picked out. We do not show letters on the free site because they carry people’s names and addresses.
With an account
What an account adds to this decision


More decisions in London Borough of Islington
The authority’s record since 2016 · every decision in 2023
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- Allowed24 September 20266005904Upper Flat, 23 Ronalds Road, London, N5 1XF
- Dismissed24 September 202660055902 Highbury Grove Court, Highbury Grove, London, N5 2NG
- 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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