Rear Extension approval rate in Cambridge
Cambridge approved 95.1% of rear extension applications, based on 1,481 decisions analysed.
Last updated: August 2026
95.1%
rear extension approval rate
1,481
Rear Extension decisions
1,408
Approved
73
Refused
93.0%
Cambridge overall
Rear Extension applications are approved more often than the Cambridge average (93.0%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Cambridge
Rear Extension
95.1%
Cambridge all applications
93.0%
Planning a rear extension in Cambridge?
95.1% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Cambridge →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Cambridge
92.8%
94.6%
95.6%
95.4%
91.5%
91.9%
93.7%
84.9%
95.7%
97.7%
90.4%
97.5%
76.0%
100.0%