Planning appeal decision
33 Western Avenue, Thorpe, Egham, TW20 8QB
Planning appeal 6010772 at 33 Western Avenue, Thorpe, Egham, TW20 8QB (Runnymede Borough Council) was dismissed on 22 September 2026 by Inspector G Ellis, by written representations. The main issue, as the Inspector framed it: Whether the development would be capable of delivering the required biodiversity net gain (BNG).
Subdivision of existing bungalow to form 2 x semi detached dwellings following alterations and extension to the roof, front and side extensions and formation of a dropped kerb
- Authority
- Runnymede Borough Council
- Appeal type
- minor · Planning
- Procedure
- Written
- Development
- residential
- Inspector
- G Ellis
- Postcode
- TW20 8QB
Main issues, as the Inspector framed them
- Whether the development would be capable of delivering the required biodiversity net gain (BNG)
What decided it
The private garden location of the proposed biodiversity gains and the inability to effectively monitor and enforce the mandatory 30-year maintenance requirement rendered the BNG condition incapable of being successfully discharged.
What the Inspector cited
- Development plan policies
- Policy SD7Policy EE9Policy EE11
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


More decisions in Runnymede Borough Council
The authority’s record since 2016 · every decision in 2026
- Dismissed29 October 202660121831-3 Part First Floor, New Haw Road, Addlestone, KT15 2BZ
- Dismissed29 October 20266006748St Merryns Copse, Chobham Road, Ottershaw, KT16 0QE
- decided12 October 20266007528Land Known to the West of 203-221 New Haw Road, Addlestone, KT15 2DP
- Dismissed12 October 20266006766Land to the West of, 203 - 221 New Haw Road, Addlestone, KT15 2DP
- Allowed8 October 2026601454812 Caxton Avenue, Addlestone, KT15 1LJ
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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