Planning appeal decision
35 Elm Avenue, Crosby, L23 2SX
Planning appeal 3369617 at 35 Elm Avenue, Crosby, L23 2SX (Sefton Metropolitan Borough Council) was allowed on 20 October 2025 by Inspector Astley-Serougi B, by written representations. The main issue, as the Inspector framed it: The effect that varying the condition would have upon the character and appearance of 35 Elm Avenue as a Non Designated Heritage Asset.
erection of a dormer extension incorporating a balcony to the rear elevation of the dwellinghouse without complying with a condition attached to planning permission Ref DC/2022/01514, dated 31 October 2022
- Authority
- Sefton Metropolitan Borough Council
- Appeal type
- householder · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Astley-Serougi B
- Postcode
- L23 2SX
Main issues, as the Inspector framed them
- The effect that varying the condition would have upon the character and appearance of 35 Elm Avenue as a Non Designated Heritage Asset
- Whether the condition is reasonable and necessary in order to preserve or enhance the character or appearance of the Moor Park Conservation Area
What decided it
The proposed dormer extension, through its sympathetic design aligned with the Arts and Crafts movement and limited visibility from public vantage points, would conserve the significance of the Non Designated Heritage Asset and preserve the character and appearance of the Conservation Area.
What the Inspector cited
- Development plan policies
- Policy EQ2Policy HC4Policy NH15Policy NH9Policy NH12
- National Planning Policy Framework
- Paragraph 216
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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