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Planning appeal decision

Dismissed6 August 20253364857

25 Devonia Road, London, N1 8JQ

Planning appeal 3364857 at 25 Devonia Road, London, N1 8JQ (London Borough of Islington) was dismissed on 6 August 2025 by Inspector Allan J, by written representations. The main issue, as the Inspector framed it: The effect of the proposal upon the character and appearance of the appeal property and the wider area, including the Duncan Terrace/Colebrooke Row Conservation Area.

the erection of a roof dormer to rear roof slope to create more habitable internal space and rooflights to front roof slope

Authority
London Borough of Islington
Appeal type
householder · Householder (HAS)
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Allan J
Postcode
N1 8JQ

Main issues, as the Inspector framed them

  • The effect of the proposal upon the character and appearance of the appeal property and the wider area, including the Duncan Terrace/Colebrooke Row Conservation Area

What decided it

The proposed dormer would fail to preserve or enhance the character and appearance of the conservation area, contrary to the statutory duty under section 72(1) of the Planning (Listed Buildings and Conservation Areas) Act 1990 and development plan policies, with no public benefits identified to justify the harm.

What the Inspector cited

Development plan policies
PLAN1DH1DH2HC1
National Planning Policy Framework
Paragraph 212Paragraph 213Paragraph 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 applied

The decision letter

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More decisions in London Borough of Islington

The authority’s record since 2016 · every decision in 2025

  1. Allowed22 October 20266006605
    131 - 132 Upper Street, London, N1 1QP
  2. Allowed16 October 20266005930
    30 Sekforde Street, London, EC1R 0HH
  3. Allowed24 September 20266005904
    Upper Flat, 23 Ronalds Road, London, N5 1XF
  4. Dismissed24 September 20266005590
    2 Highbury Grove Court, Highbury Grove, London, N5 2NG
  5. Notice upheld23 September 20263364241
    First 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.

In the app this decision sits on the map beside every appeal around it, with its letter to read and the main issues, policies and judgments cited picked out.