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

Basement approval rate in Slough

Slough approved 73.3% of basement applications, based on 15 decisions analysed.

Last updated: June 2026

73.3%
basement approval rate
15
Basement decisions
11
Approved
4
Refused
82.9%
Slough overall

Basement applications are refused more often than the Slough average (82.9%), suggesting the council scrutinises these projects more closely.

How basement compares in Slough

Basement (15 decided)
73.3%
Slough all applications (17,748 decided)
82.9%

Planning a basement in Slough?

73.3% 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 Slough

Rear Extension (7,156 decided)
83.7%
Side Extension (2,806 decided)
82.5%
Garage / Parking (1,264 decided)
84.0%
Outbuilding (1,251 decided)
82.3%
Loft Conversion (1,158 decided)
87.5%
Wraparound Extension (920 decided)
85.7%
Dormer (869 decided)
85.7%
78.4%
Front Extension (660 decided)
74.4%
83.2%
Extension (General) (328 decided)
81.4%
New Build (245 decided)
71.4%
Conservatory (177 decided)
85.9%
HMO (57 decided)
47.4%
Annex (28 decided)
78.6%
Flat Conversion (23 decided)
78.3%
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