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

Side Extension approval rate in Peterborough

Peterborough approved 89.6% of side extension applications, based on 3,442 decisions analysed.

Last updated: August 2026

89.6%
side extension approval rate
3,442
Side Extension decisions
3,085
Approved
357
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 (3,442 decided)
89.6%
Peterborough all applications (33,566 decided)
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
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Other project types in Peterborough

Rear Extension (5,848 decided)
89.1%
Garage / Parking (3,216 decided)
83.5%
Extension (General) (2,732 decided)
89.2%
76.5%
Conservatory (1,460 decided)
95.3%
New Build (1,398 decided)
73.1%
Front Extension (990 decided)
89.6%
Outbuilding (685 decided)
86.3%
Wraparound Extension (593 decided)
88.0%
Dormer (450 decided)
86.2%
Annex (322 decided)
69.6%
Loft Conversion (258 decided)
89.1%
HMO (85 decided)
60.0%
Flat Conversion (64 decided)
82.8%
Basement (21 decided)
100.0%
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