®Planning appeal decision
20 St. Leonards Road, London, SW14 7LX
Planning appeal 3313020 at 20 St. Leonards Road, London, SW14 7LX (Richmond Upon Thames London Borough Council) was dismissed on 30 March 2023 by Inspector Sargent J, by written representations. The main issue, as the Inspector framed it: Whether the development would preserve or enhance the character or appearance of the Sheen Lane (Mortlake) Conservation Area, and whether it would harm its significance as a designated heritage asset.
an extension to dormer over rear outrigger
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Sargent J
- Postcode
- SW14 7LX
Main issues, as the Inspector framed them
- Whether the development would preserve or enhance the character or appearance of the Sheen Lane (Mortlake) Conservation Area, and whether it would harm its significance as a designated heritage asset
What decided it
The proposed extension would cause less than substantial harm to the conservation area's significance without clear and convincing justification or public benefits sufficient to outweigh that harm.
What the Inspector cited
- Development plan policies
- Policy LP3
- National Planning Policy Framework
- Paragraph 199Paragraph 200
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 Richmond upon Thames
The authority’s record since 2016 · every decision in 2023
- Dismissed28 October 2026601587988 Colne Road, Twickenham, TW2 6QE
- Dismissed28 October 2026601583664 First Avenue, Mortlake, London, SW14 8SR
- Dismissed26 October 2026601187461-63 Petersham Road, Richmond Upon Thames, TW10 6UT
- Dismissed20 October 20266010388163 Garrick House, High Street, Hampton Hill, TW12 1BZ
- Dismissed19 October 20266013760Pavement Os, 53-57 High Street, Whitton, TW2 7LB
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.