Data-backed planning intelligence · 3,200,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Extension (General) approval rate in Cambridge

Cambridge approved 91.9% of extension (general) applications, based on 358 decisions analysed.

Last updated: June 2026

91.9%
extension (general) approval rate
358
Extension (General) decisions
329
Approved
29
Refused
92.9%
Cambridge overall

Extension (General) applications are approved at roughly the same rate as the Cambridge average (92.9%).

How extension (general) compares in Cambridge

Extension (General) (358 decided)
91.9%
Cambridge all applications (8,253 decided)
92.9%

Planning a extension (general) in Cambridge?

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Other project types in Cambridge

Rear Extension (1,430 decided)
94.9%
Garage / Parking (1,073 decided)
92.5%
Side Extension (815 decided)
94.4%
Outbuilding (509 decided)
95.5%
Dormer (387 decided)
95.3%
Loft Conversion (356 decided)
91.3%
77.0%
Front Extension (312 decided)
93.6%
New Build (308 decided)
84.7%
Wraparound Extension (240 decided)
95.4%
Conservatory (215 decided)
97.7%
Annex (140 decided)
90.0%
Basement (72 decided)
97.2%
100.0%
HMO (44 decided)
72.7%
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