Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Side Extension approval rate in Guildford

Guildford approved 80.8% of side extension applications, based on 2,323 decisions analysed.

Last updated: September 2026

80.8%
side extension approval rate
2,323
Side Extension decisions
1,876
Approved
447
Refused
80.8%
Guildford overall

Side Extension applications are approved at roughly the same rate as the Guildford average (80.8%).

How side extension compares in Guildford

Side Extension (2,323 decided)
80.8%
Guildford all applications (10,064 decided)
80.8%

Planning a side extension in Guildford?

80.8% 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
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Planning professional? PlanningLens runs refusal alerts and evidence packs for Guildford and any other published UK council — see the data services →

Other project types in Guildford

Rear Extension (4,049 decided)
81.9%
Garage / Parking (3,267 decided)
79.1%
Dormer (1,560 decided)
76.6%
Outbuilding (1,369 decided)
79.5%
Conservatory (823 decided)
85.4%
Loft Conversion (802 decided)
76.2%
Extension (General) (785 decided)
78.9%
New Build (768 decided)
70.2%
Front Extension (673 decided)
80.1%
71.4%
Wraparound Extension (458 decided)
82.5%
79.4%
Basement (156 decided)
80.8%
Annex (127 decided)
74.0%
HMO (72 decided)
55.6%
Flat Conversion (44 decided)
72.7%
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