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Planning appeal decision

Allowed7 August 20266007543

11B Calonne Road, Merton, Wimbledon, SW19 8HH

Planning appeal 6007543 at 11B Calonne Road, Merton, Wimbledon, SW19 8HH (London Borough of Merton) was allowed on 7 August 2026 by Inspector A Knight, by written representations. The main issue, as the Inspector framed it: The effect that altering the design of the dwelling would have on the Wimbledon North Conservation Area in which the appeal site is located, including a non-designated heritage asset at 11/11a Calonne Road.

the demolition of existing dwelling and erection of replacement dwelling with basement and associated works without complying with a condition attached to planning permission Ref 25/P1511, dated 15 September 2025

Authority
London Borough of Merton
Appeal type
minor · Planning
Procedure
Written
Development
residential
Inspector
A Knight
Postcode
SW19 8HH

Main issues, as the Inspector framed them

  • The effect that altering the design of the dwelling would have on the Wimbledon North Conservation Area in which the appeal site is located, including a non-designated heritage asset at 11/11a Calonne Road

What decided it

The modest degree of outward projection brought about by the appeal scheme would not result in harm to the conservation area where the approved scheme with the same width and height is not harmful.

What the Inspector cited

Development plan policies
Policy HC1 of the London Plan (2021)Policies D12.3 and D12.5 of the Merton Local Plan (2024)

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 applied

The decision letter

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More decisions in London Borough of Merton

The authority’s record since 2016 · every decision in 2026

  1. Dismissed23 October 20266006717
    71 Leamington Avenue, Morden, SM4 4DQ
  2. Dismissed21 October 20266008957
    18, West Place, London, SW19 4UH
  3. Notice upheld21 September 20263364443
    31 Glebe Avenue, Mitcham, CR4 3DZ
  4. Dismissed17 July 20266006955
    35 Kingston Road, London, SW19 1JW
  5. Dismissed10 July 20266003800
    117 Cambridge Road, London, SW20 0PU

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.

In the app this decision sits on the map beside every appeal around it, with its letter to read and the main issues, policies and judgments cited picked out.