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

Basement approval rate in Sefton

Sefton approved 87.2% of basement applications, based on 39 decisions analysed.

Last updated: June 2026

87.2%
basement approval rate
39
Basement decisions
34
Approved
5
Refused
87.5%
Sefton overall

Basement applications are approved at roughly the same rate as the Sefton average (87.5%).

How basement compares in Sefton

Basement (39 decided)
87.2%
Sefton all applications (6,655 decided)
87.5%

Planning a basement in Sefton?

87.2% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

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Other project types in Sefton

Extension (General) (1,794 decided)
93.4%
Garage / Parking (863 decided)
91.3%
71.1%
Rear Extension (460 decided)
89.3%
Dormer (450 decided)
92.2%
Conservatory (369 decided)
97.6%
New Build (321 decided)
84.7%
Outbuilding (278 decided)
90.3%
Side Extension (178 decided)
95.5%
Flat Conversion (80 decided)
75.0%
Loft Conversion (68 decided)
94.1%
HMO (56 decided)
30.4%
100.0%
Annex (40 decided)
95.0%
100.0%
Front Extension (29 decided)
93.1%
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