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Planning appeal decision

Dismissed5 May 20266002077

21 Highgate West Hill, London, N6 6NP

Planning appeal 6002077 at 21 Highgate West Hill, London, N6 6NP (London Borough of Camden) was dismissed on 5 May 2026 by Inspector Cryan M, by written representations. The main issue, as the Inspector framed it: The effect of the proposed development on the character and appearance of the Highgate Conservation Area.

the creation of a sunken roof terrace with access dormer to the south elevation

Authority
London Borough of Camden
Appeal type
householder · Planning Appeal
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Cryan M
Postcode
N6 6NP

Main issues, as the Inspector framed them

  • The effect of the proposed development on the character and appearance of the Highgate Conservation Area

What decided it

The proposed dormer would cause significant harm to the character and appearance of the Highgate Conservation Area by introducing a harmful form of development into an unspoiled part of the street and unbalancing the symmetry of the semi-detached pair, with no public benefits to outweigh this harm.

What the Inspector cited

Development plan policies
Policy D1Policy D2Policy DH2Policy DH5
National Planning Policy Framework
Paragraph 202Paragraph 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 Camden

The authority’s record since 2016 · every decision in 2026

  1. Dismissed13 October 20266013300
    166 Grafton Road, London, NW5 4BA
  2. Allowed12 October 20266007435
    Footpath Adjacent, 2 Castlehaven Road, London, NW1 8QU
  3. Allowed12 October 20266007433
    Footpath Adjacent, 2 Castlehaven Road, London, NW1 8QU
  4. Allowed12 October 20266007308
    Camden Road, Outside No.'s 84 - 92, London, NW1 9DY
  5. Allowed12 October 20266007299
    Camden Road, Outside No.'s 84 - 92, London, NW1 9DY

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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