Planning appeal decision
21 The Roystons, Surbiton, Kingston Upon Thames, KT5 8HJ
Planning appeal 6005761 at 21 The Roystons, Surbiton, Kingston Upon Thames, KT5 8HJ (Royal Borough of Kingston Upon Thames) was allowed on 12 June 2026 by Inspector B. Johnson, by written representations. The main issue, as the Inspector framed it: The effect of the proposal in meeting housing needs, with particular regard to the supply of family homes in the area.
the conversion of a semi-detached property into two apartments. Erection of a single storey side porch and rear extension
- Appeal type
- minor · Planning
- Procedure
- Written
- Development
- residential
- Inspector
- B. Johnson
- Postcode
- KT5 8HJ
Main issues, as the Inspector framed them
- The effect of the proposal in meeting housing needs, with particular regard to the supply of family homes in the area.
What decided it
The Council's inability to demonstrate a five-year supply of deliverable housing land engaged the tilted balance under NPPF paragraph 11(d)(ii), and the benefits of housing delivery were not significantly and demonstrably outweighed by the loss of a single family dwelling.
The adverse impacts from the loss of a 4-bedroom dwelling were not significantly and demonstrably outweighed by the benefits of housing delivery (one additional home and economic benefits) when assessed against the policies in the Framework taken as a whole, under the tilted balance.
What the Inspector cited
- Development plan policies
- Policy DM 14Policy H10
- National Planning Policy Framework
- Paragraph 11
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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