Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Side Extension approval rate in East Cambridgeshire

East Cambridgeshire approved 92.1% of side extension applications, based on 646 decisions analysed.

Last updated: August 2026

92.1%
side extension approval rate
646
Side Extension decisions
595
Approved
51
Refused
90.7%
East Cambridgeshire overall

Side Extension applications are approved at roughly the same rate as the East Cambridgeshire average (90.7%).

How side extension compares in East Cambridgeshire

Side Extension (646 decided)
92.1%
East Cambridgeshire all applications (11,402 decided)
90.7%

Planning a side extension in East Cambridgeshire?

92.1% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

✓ Your ward's side extension approval rate
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Other project types in East Cambridgeshire

Garage / Parking (2,054 decided)
87.0%
Rear Extension (1,326 decided)
94.3%
Extension (General) (890 decided)
90.8%
Outbuilding (711 decided)
89.0%
82.9%
New Build (476 decided)
77.9%
Conservatory (217 decided)
98.2%
Front Extension (216 decided)
92.1%
Loft Conversion (205 decided)
88.3%
Annex (191 decided)
85.3%
Dormer (170 decided)
90.6%
91.8%
Flat Conversion (17 decided)
88.2%
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