Side Extension approval rate in Peterborough
Peterborough approved 89.6% of side extension applications, based on 3,431 decisions analysed.
Last updated: June 2026
89.6%
side extension approval rate
3,431
Side Extension decisions
3,075
Approved
356
Refused
87.6%
Peterborough overall
Side Extension applications are approved at roughly the same rate as the Peterborough average (87.6%).
How side extension compares in Peterborough
Side Extension
89.6%
Peterborough all applications
87.6%
Planning a side extension in Peterborough?
89.6% 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
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Peterborough →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Peterborough
89.1%
83.4%
89.2%
95.3%
73.1%
89.6%
86.3%
88.1%
86.2%
69.6%
89.1%
60.0%
82.8%
100.0%