Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Side Extension approval rate in Guildford

Guildford approved 80.6% of side extension applications, based on 2,288 decisions analysed.

Last updated: August 2026

80.6%
side extension approval rate
2,288
Side Extension decisions
1,845
Approved
443
Refused
82.1%
Guildford overall

Side Extension applications are approved at roughly the same rate as the Guildford average (82.1%).

How side extension compares in Guildford

Side Extension (2,288 decided)
80.6%
Guildford all applications (18,185 decided)
82.1%

Planning a side extension in Guildford?

80.6% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

✓ Your ward's side extension approval rate
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Other project types in Guildford

Rear Extension (3,984 decided)
81.8%
Garage / Parking (3,205 decided)
78.8%
Dormer (1,539 decided)
76.5%
Outbuilding (1,344 decided)
79.2%
Conservatory (813 decided)
85.4%
Loft Conversion (795 decided)
76.0%
Extension (General) (776 decided)
78.7%
New Build (756 decided)
69.8%
Front Extension (662 decided)
79.8%
71.5%
Wraparound Extension (445 decided)
82.2%
79.1%
Basement (153 decided)
80.4%
Annex (124 decided)
74.2%
HMO (70 decided)
55.7%
Flat Conversion (44 decided)
72.7%
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