Planning appeal decision
48 Mazenod Avenue, 2nd Floor Flat, London, Camden, NW6 4LR
Planning appeal 3360469 at 48 Mazenod Avenue, 2nd Floor Flat, London, Camden, NW6 4LR (London Borough of Camden) was dismissed on 6 June 2025 by Inspector Gardner L, 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, and the surrounding area.
addition of two dormers and a roof terrace to the 2nd floor flat at 48 Mazenod Avenue and with internal refurbishment
- Authority
- London Borough of Camden
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Other minor developments
- Inspector
- Gardner L
- Postcode
- NW6 4LR
Main issues, as the Inspector framed them
- the effect of the proposal on the character and appearance of the host building, and the surrounding area
- the living conditions of the occupants of neighbouring properties, in particular 50 Mazenod Avenue, having regard to privacy
What decided it
The roof dormer on the rear outrigger would exceed the eaves height of the main dwelling and create a boxy, obtrusive addition that disrupts the proportions of the roof and the hierarchy of the rear outrigger, causing unacceptable harm to character and appearance contrary to Policy D1.
What the Inspector cited
- Development plan policies
- Policy D1 of the Camden Local Plan (2017)Policy A1 of the Camden Local Plan (2017)
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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