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Planning appeal decision

Dismissed13 April 20266005117

23 St Alban's Grove, Carshalton, Sutton, SM5 1ND

Planning appeal 6005117 at 23 St Alban's Grove, Carshalton, Sutton, SM5 1ND (London Borough of Sutton) was dismissed on 13 April 2026 by Inspector Poole S, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the character and appearance of the host building, the street scene, and the St Helier Estate Area of Special Local Character.

the conversion of loft space involving alterations to existing roof line including the raising of the ridge line, a dormer extension at rear and roof lights to front roof slope

Authority
London Borough of Sutton
Appeal type
householder · Householder (HAS)
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Poole S
Postcode
SM5 1ND

Main issues, as the Inspector framed them

  • The effect of the proposal on the character and appearance of the host building, the street scene, and the St Helier Estate Area of Special Local Character

What decided it

The proposal would be an overly prominent and wholly incongruous addition that would have an unacceptable effect on the host building, the street scene and the Area of Special Local Character, failing to comply with local plan policies and design guidance.

What the Inspector cited

Development plan policies
Policy 28Policy 30

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 Sutton

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

  1. Dismissed19 October 20266002198
    103 Marlow Drive, North Cheam, SM3 9BD
  2. Allowed15 October 20266009820
    Grass Verge of Sparrow Farm Road, London, KT17 2DF
  3. Dismissed27 August 20266005269
    85 Priory Road, North Cheam, SM3 8LY
  4. Dismissed7 August 20266008124
    3 Carshalton Grove, Sutton, SM1 4LY
  5. Dismissed27 July 20266006764
    136 Grove Road, Sutton, Sutton, SM1 2DF

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.