87 Waltham Road, Carshalton, SM5 1PS

Planning appeal 3322332 at 87 Waltham Road, Carshalton, SM5 1PS (London Borough of Sutton) was allowed in part (a split decision) on 20 February 2025 by Inspector Howell M, by written representations. The main issue, as the Inspector framed it: Whether the material change of use from a single dwelling house to two separate dwelling houses has occurred as a matter of fact.

without planning permission the conversion of the property and material change of use of the land from a single dwelling house (C3) into two separate dwelling houses within the last four (4) years. Also, without planning permission and within the last four (4) years: (i) alterations to the two-storey extension element from the approved hipped roof to incorporate a gable end and increase in roof height (ii) alterations to the single storey element approved pitched roof into a dormer with a flat roof, and (iii) the installation of a canopy roof over the front entrance door

Authority: London Borough of Sutton
Appeal type: enforcement · Enforcement Notice
Procedure: Written Representations
Development: residential · Minor Dwellings
Inspector: Howell M
Postcode: SM5 1PS

Main issues, as the Inspector framed them

Whether the material change of use from a single dwelling house to two separate dwelling houses has occurred as a matter of fact
Whether the operational development comprising the extensions and roof alterations constitutes a breach of planning control
Whether the requirements of the enforcement notice exceed what is necessary to remedy the breach
Whether the period specified for compliance is reasonable

What decided it

The physical separation of the extensions from the original dwelling, with separate access, facilities and outdoor space, demonstrated two distinct planning units occupied for different purposes, establishing a material change of use to two separate dwellings in breach of planning control.

The decision letter

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The authority’s record since 2016 · every decision in 2025

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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.