Without planning permission, the enlargement of the original dwellinghouse by more than half its width, by the erection of a two -storey rear extension, erected against and melding with a single storey side extension ("the unauthorised development")
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Borough Success Rate
In Middlesbrough Council *, approx 34.8% of Householder developments appeals are successful. (Sample: 69 cases).
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Inspector Profile: Merrett R
Archive Data: 109 Decisions
Allowance Rate (Householder developments)
48.6%
↑ High
National Average (Householder developments)
35.3%
Inspector's Analysis
https://www.gov.uk/planning-inspectorate
Appeal Decisions
Site visit made on 6 January 2026
by R Merrett BSc(Hons), DipTP, MRTPI
an Inspector appointed by the Secretary of State
Decision date: 28 January 2026
Appeal A Ref: APP/W0734/C/25/3359741
14 Sorrel Court, Middlesbrough TS7 8RZ
• The appeal is made under section 174 of the Town and Country Planning Act 1990 (as amended). …