Planning appeal decision
10 Derwent Drive, Petts Wood, Orpington, BR5 1EW
Planning appeal 3289055 at 10 Derwent Drive, Petts Wood, Orpington, BR5 1EW (London Borough of Bromley) was allowed on 24 January 2023 by Inspector Perkins L, by written representations. The main issue, as the Inspector framed it: The impact of the proposed development on the amenity of adjoining properties, with particular regard to the outlook, light and privacy enjoyed by occupants of No 12.
Single storey rear extension, extending beyond the rear wall of the original house by 6.00m, with maximum height 3.50m and eaves height 2.42m
- Authority
- London Borough of Bromley
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Other minor developments
- Inspector
- Perkins L
- Postcode
- BR5 1EW
Main issues, as the Inspector framed them
- The impact of the proposed development on the amenity of adjoining properties, with particular regard to the outlook, light and privacy enjoyed by occupants of No 12
What decided it
The reduction in height of the flank wall from the existing 2.67-2.9m to 2.42m, combined with the roof pitching away from the boundary and the professionally verified daylight and sunlight assessment, demonstrated that the proposed extension would have no material adverse effect on the amenity of the neighbouring property.
The 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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