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

Basement approval rate in Guildford

Guildford approved 80.5% of basement applications, based on 149 decisions analysed.

Last updated: June 2026

80.5%
basement approval rate
149
Basement decisions
120
Approved
29
Refused
82.0%
Guildford overall

Basement applications are approved at roughly the same rate as the Guildford average (82.0%).

How basement compares in Guildford

Basement (149 decided)
80.5%
Guildford all applications (17,793 decided)
82.0%

Planning a basement in Guildford?

80.5% 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 Guildford

Rear Extension (3,907 decided)
81.7%
Garage / Parking (3,132 decided)
78.9%
Side Extension (2,235 decided)
80.4%
Dormer (1,513 decided)
76.3%
Outbuilding (1,311 decided)
79.1%
Conservatory (800 decided)
85.1%
Loft Conversion (782 decided)
75.8%
Extension (General) (759 decided)
79.1%
New Build (738 decided)
70.1%
Front Extension (651 decided)
79.9%
72.1%
Wraparound Extension (435 decided)
82.1%
78.9%
Annex (121 decided)
73.6%
HMO (69 decided)
56.5%
Flat Conversion (44 decided)
72.7%
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