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

Side Extension approval rate in Doncaster

Doncaster approved 95.6% of side extension applications, based on 1,088 decisions analysed.

Last updated: August 2026

95.6%
side extension approval rate
1,088
Side Extension decisions
1,040
Approved
48
Refused
91.9%
Doncaster overall

Side Extension applications are approved more often than the Doncaster average (91.9%), suggesting the council is relatively receptive to these projects.

How side extension compares in Doncaster

Side Extension (1,088 decided)
95.6%
Doncaster all applications (12,357 decided)
91.9%

Planning a side extension in Doncaster?

95.6% 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 Doncaster

Garage / Parking (2,221 decided)
92.2%
Rear Extension (1,791 decided)
96.9%
Extension (General) (1,556 decided)
95.1%
New Build (1,483 decided)
87.7%
85.4%
Outbuilding (660 decided)
94.4%
Conservatory (521 decided)
97.5%
Dormer (328 decided)
90.5%
Front Extension (264 decided)
93.9%
Loft Conversion (248 decided)
96.4%
HMO (211 decided)
85.8%
Wraparound Extension (162 decided)
95.1%
Annex (138 decided)
92.0%
Flat Conversion (50 decided)
86.0%
Basement (33 decided)
78.8%
90.5%
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