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

Extension (General) approval rate in Guildford

Guildford approved 78.7% of extension (general) applications, based on 776 decisions analysed.

Last updated: August 2026

78.7%
extension (general) approval rate
776
Extension (General) decisions
611
Approved
165
Refused
82.1%
Guildford overall

Extension (General) applications are refused more often than the Guildford average (82.1%), suggesting the council scrutinises these projects more closely.

How extension (general) compares in Guildford

Extension (General) (776 decided)
78.7%
Guildford all applications (18,185 decided)
82.1%

Planning a extension (general) in Guildford?

78.7% 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 extension (general) approval rate
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Guildford →

Other project types in Guildford

Rear Extension (3,984 decided)
81.8%
Garage / Parking (3,205 decided)
78.8%
Side Extension (2,288 decided)
80.6%
Dormer (1,539 decided)
76.5%
Outbuilding (1,344 decided)
79.2%
Conservatory (813 decided)
85.4%
Loft Conversion (795 decided)
76.0%
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%
Check planning approval patterns, Free