21 Birch Tree Avenue, West Wickham, Bromley, BR4 9EG

Planning appeal 6001508 at 21 Birch Tree Avenue, West Wickham, Bromley, BR4 9EG (London Borough of Bromley) was allowed on 26 February 2026 by Inspector Lomax B, by written representations. The main issue, as the Inspector framed it: The effect of the proposed 2 storey rear extension on the existing living conditions of neighbouring occupiers at No. 23 Birch Tree Avenue, with particular regard to its height, projection, and positioning relative to the nearest first floor window of that property.

a 2 storey rear extension

Authority: London Borough of Bromley
Appeal type: householder · Householder (HAS)
Procedure: Written Representations
Development: residential · Householder developments
Inspector: Lomax B
Postcode: BR4 9EG

Main issues, as the Inspector framed them

The effect of the proposed 2 storey rear extension on the existing living conditions of neighbouring occupiers at No. 23 Birch Tree Avenue, with particular regard to its height, projection, and positioning relative to the nearest first floor window of that property

What decided it

The existing obscured glazing on the neighbouring property's rear window and the orientation and projection of the extension relative to that window meant the degree of enclosure and daylight loss would not be unacceptable.

What the Inspector cited

Development plan policies: Policy 6 (Residential Extensions)Policy 37 (General Design of Development)
National Planning Policy Framework: Paragraph 57

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.

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The decision letter

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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.