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Extension (General) approval rate in Spelthorne

Spelthorne approved 76.5% of extension (general) applications, based on 51 decisions analysed.

Last updated: August 2026

76.5%
extension (general) approval rate
51
Extension (General) decisions
39
Approved
12
Refused
86.3%
Spelthorne overall

Extension (General) applications are refused more often than the Spelthorne average (86.3%), suggesting the council scrutinises these projects more closely.

How extension (general) compares in Spelthorne

Extension (General) (51 decided)
76.5%
Spelthorne all applications (1,639 decided)
86.3%

Planning a extension (general) in Spelthorne?

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Other project types in Spelthorne

Rear Extension (621 decided)
86.0%
Garage / Parking (308 decided)
80.2%
Side Extension (228 decided)
85.1%
Dormer (223 decided)
75.3%
Loft Conversion (139 decided)
74.1%
Outbuilding (111 decided)
89.2%
Conservatory (100 decided)
90.0%
74.2%
Front Extension (85 decided)
87.1%
87.5%
60.3%
New Build (52 decided)
78.8%
HMO (47 decided)
42.6%
Flat Conversion (16 decided)
31.2%
Annex (12 decided)
75.0%
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