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

Side Extension approval rate in Leeds

Leeds approved 86.2% of side extension applications, based on 6,979 decisions analysed.

Last updated: June 2026

86.2%
side extension approval rate
6,979
Side Extension decisions
6,013
Approved
966
Refused
86.6%
Leeds overall

Side Extension applications are approved at roughly the same rate as the Leeds average (86.6%).

How side extension compares in Leeds

Side Extension (6,979 decided)
86.2%
Leeds all applications (45,050 decided)
86.6%

Planning a side extension in Leeds?

86.2% 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 Leeds

Rear Extension (10,161 decided)
89.0%
Garage / Parking (6,064 decided)
84.6%
Dormer (4,427 decided)
80.7%
Extension (General) (3,255 decided)
85.3%
77.1%
Wraparound Extension (2,024 decided)
87.2%
Outbuilding (1,842 decided)
82.7%
Front Extension (1,412 decided)
78.3%
Conservatory (1,054 decided)
87.1%
HMO (1,000 decided)
79.3%
New Build (738 decided)
72.0%
Loft Conversion (717 decided)
82.6%
Basement (665 decided)
76.7%
81.7%
Flat Conversion (232 decided)
75.0%
Annex (222 decided)
79.7%
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