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

Basement approval rate in Southend-on-Sea

Southend-on-Sea approved 78.6% of basement applications, based on 14 decisions analysed.

Last updated: June 2026

78.6%
basement approval rate
14
Basement decisions
11
Approved
3
Refused
88.2%
Southend-on-Sea overall

Basement applications are refused more often than the Southend-on-Sea average (88.2%), suggesting the council scrutinises these projects more closely.

How basement compares in Southend-on-Sea

Basement (14 decided)
78.6%
Southend-on-Sea all applications (1,455 decided)
88.2%

Planning a basement in Southend-on-Sea?

78.6% 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 Southend-on-Sea

Rear Extension (374 decided)
89.3%
Garage / Parking (237 decided)
91.6%
Dormer (206 decided)
89.3%
Side Extension (166 decided)
91.0%
69.6%
Loft Conversion (98 decided)
88.8%
Flat Conversion (94 decided)
67.0%
87.8%
HMO (64 decided)
85.9%
Outbuilding (60 decided)
95.0%
Conservatory (32 decided)
96.9%
93.8%
Front Extension (27 decided)
100.0%
Extension (General) (25 decided)
88.0%
Annex (10 decided)
100.0%
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