Planning appeal decision
22b Ellerdale Road, London, NW3 6BB
Planning appeal 3373315 at 22b Ellerdale Road, London, NW3 6BB (London Borough of Camden) was dismissed on 18 November 2025 by Inspector Poole S, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the character and appearance of the host building.
described on the application form as the erection of a mansard roof extension, a first floor rear extension, a replacement single storey rear addition and a first floor front bay extension
- Authority
- London Borough of Camden
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Poole S
- Postcode
- NW3 6BB
Main issues, as the Inspector framed them
- The effect of the proposal on the character and appearance of the host building
- Whether it would preserve or enhance the character or appearance of the Fitzjohns Netherhall Conservation Area
What decided it
The proposed mansard roof extension and rear additions would be substantially out of character with the conservation area through their height, bulk, massing and appearance, causing substantial harm to the area's heritage character.
What the Inspector cited
- Development plan policies
- Policy D1Policy D2Policy DH1
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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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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