Side Extension approval rate in Guildford

Guildford approved 80.0% of side extension applications, based on 2,143 decisions analysed.

Last updated: March 2026

80.0%

side extension approval rate

2,143

Side Extension decisions

1,715

Approved

428

Refused

81.7%

Guildford overall

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

How side extension compares in Guildford

Side Extension (2,143 decided)

80.0%

Guildford all applications (16,972 decided)

81.7%

Planning a side extension in Guildford?

80.0% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's side extension approval rate
✓ Nearest comparable side extension decisions
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Less than one set of revised drawings.

Other project types in Guildford

Rear Extension (3,726 decided)

81.5%

Garage / Parking (2,963 decided)

78.4%

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%

Basement (141 decided)

81.6%

Annex (118 decided)

73.7%

HMO (66 decided)

56.1%

Flat Conversion (42 decided)

71.4%

← All Guildford planning statistics

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