Basement approval rate in Guildford

Guildford approved 81.6% of basement applications, based on 141 decisions analysed.

Last updated: March 2026

81.6%

basement approval rate

141

Basement decisions

115

Approved

Refused

81.7%

Guildford overall

Basement applications are approved at roughly the same rate as the Guildford average (81.7%).

How basement compares in Guildford

Basement (141 decided)

81.6%

Guildford all applications (16,972 decided)

81.7%

Planning a basement in Guildford?

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Other project types in Guildford

Rear Extension (3,726 decided)

81.5%

Garage / Parking (2,963 decided)

78.4%

Side Extension (2,143 decided)

80.0%

Dormer (1,456 decided)

75.7%

Outbuilding (1,245 decided)

78.9%

Conservatory (768 decided)

84.9%

Loft Conversion (752 decided)

75.1%

Extension (General) (744 decided)

78.9%

New Build (703 decided)

69.3%

Front Extension (631 decided)

79.6%

Change of Use (Residential) (445 decided)

72.6%

Wraparound Extension (418 decided)

81.8%

Hip-to-Gable Conversion (314 decided)

78.0%

Annex (118 decided)

73.7%

HMO (66 decided)

56.1%

Flat Conversion (42 decided)

71.4%

← All Guildford planning statistics

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