Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Side Extension approval rate in Plymouth

Plymouth approved 96.6% of side extension applications, based on 651 decisions analysed.

Last updated: September 2026

96.6%
side extension approval rate
651
Side Extension decisions
629
Approved
22
Refused
92.0%
Plymouth overall

Side Extension applications are approved more often than the Plymouth average (92.0%), suggesting the council is relatively receptive to these projects.

How side extension compares in Plymouth

Side Extension (651 decided)
96.6%
Plymouth all applications (4,579 decided)
92.0%

Planning a side extension in Plymouth?

96.6% 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
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Planning professional? PlanningLens runs refusal alerts and evidence packs for Plymouth and any other published UK council — see the data services →

Other project types in Plymouth

Rear Extension (1,299 decided)
97.2%
Garage / Parking (868 decided)
89.3%
87.7%
Dormer (396 decided)
95.7%
HMO (325 decided)
92.6%
Extension (General) (301 decided)
94.7%
Outbuilding (215 decided)
94.0%
Loft Conversion (196 decided)
96.9%
Conservatory (175 decided)
93.7%
Front Extension (169 decided)
93.5%
96.7%
New Build (110 decided)
79.1%
97.8%
Annex (87 decided)
92.0%
Basement (83 decided)
96.4%
Flat Conversion (39 decided)
97.4%
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