Planning appeal decision
59 Twilley Street, London, SW18 4NU
Planning appeal 3330206 at 59 Twilley Street, London, SW18 4NU (London Borough of Wandsworth) was allowed in part (a split decision) on 29 May 2025 by Inspector Blackwell J, by written representations. The main issue, as the Inspector framed it: the effect of the development on flood risk.
Without planning permission and within the last 4 years, the unauthorised erection of a timber platform over, and affixed to, the banks of the River Wandle at the Property”
- Authority
- London Borough of Wandsworth
- Appeal type
- enforcement · Enforcement Notice
- Procedure
- Written Representations
- Development
- other · Householder developments
- Inspector
- Blackwell J
- Postcode
- SW18 4NU
Main issues, as the Inspector framed them
- the effect of the development on flood risk
- the effect of the development on ecology
- the effect of the development on the character and appearance of the area
What decided it
The development poses a risk to the structural integrity of the flood defence wall and conflicts with the development plan's flood risk management policies, with no other considerations outweighing this finding.
What the Inspector cited
- Development plan policies
- Policy LP1Policy LP12Policy LP53Policy LP58Policy LP59Policy G1Policy G6Policy SI 12Policy SI 17London Plan (2021)
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
Town Planner Pro holds this letter. The Appeals plan opens it and every other letter we hold, all of them searchable, with the main issues and what decided each case picked out. We do not show letters on the free site because they carry people’s names and addresses.
With an account
What an account adds to this decision


More decisions in London Borough of Wandsworth
The authority’s record since 2016 · every decision in 2025
- Notice upheld10 August 20263364864Garages Rear of 76-78 , Tooting High Street , London, SW17 0RN
- Notice upheld24 March 2026334191425 Montserrat Road, London, SW15 2LD
- Dismissed24 February 20263356608Flat First and Second Floors, 82 Northcote Road, London, SW11 6QN
- Notice varied and upheld20 February 2026335079851 Lydden Grove, London, SW18 4LJ
- Notice varied and upheld17 February 20263357602107 Carslake Road, London, SW15 3DD
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.
®