Planning appeal decision
4 Millfield Lane, Camden, London, N6 6JD
Planning appeal 3374096 at 4 Millfield Lane, Camden, London, N6 6JD (London Borough of Camden) was allowed on 18 November 2025 by Inspector Poole S, by written representations. The main issue, as the Inspector framed it: Whether the proposal would preserve or enhance the character or appearance of the Highgate Conservation Area.
the erection of a part single-storey, part first-floor side extension, alongside the replacement of the existing boundary treatments with a solid brick wall and integrated planting
- Authority
- London Borough of Camden
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Poole S
- Postcode
- N6 6JD
Main issues, as the Inspector framed them
- Whether the proposal would preserve or enhance the character or appearance of the Highgate Conservation Area
What decided it
The proposal would preserve the character and appearance of the Highgate Conservation Area by virtue of the first-floor element being largely screened by mature trees, reading as a subservient stand-alone element, and not materially harming the verdant character of the area.
What the Inspector cited
- Development plan policies
- Policy D1Policy D2Policy DH2Policy DH4
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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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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