Data-backed planning intelligence · 3,200,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Side Extension approval rate in OPDC

OPDC approved 95.2% of side extension applications, based on 21 decisions analysed.

Last updated: June 2026

95.2%
side extension approval rate
21
Side Extension decisions
20
Approved
1
Refused
97.2%
OPDC overall

Side Extension applications are approved at roughly the same rate as the OPDC average (97.2%).

How side extension compares in OPDC

Side Extension (21 decided)
95.2%
OPDC all applications (1,267 decided)
97.2%

Planning a side extension in OPDC?

95.2% 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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Other project types in OPDC

Garage / Parking (460 decided)
98.5%
92.6%
New Build (91 decided)
97.8%
Basement (85 decided)
98.8%
Extension (General) (67 decided)
98.5%
Flat Conversion (49 decided)
98.0%
Rear Extension (35 decided)
97.1%
Loft Conversion (28 decided)
96.4%
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