Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Rear Extension approval rate in Guildford

Guildford approved 81.5% of rear extension applications, based on 3,726 decisions analysed.

Last updated: March 2026

81.5%
rear extension approval rate
3,726
Rear Extension decisions
3,035
Approved
691
Refused
81.7%
Guildford overall

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

How rear extension compares in Guildford

Rear Extension (3,726 decided)
81.5%
Guildford all applications (16,972 decided)
81.7%

Planning a rear extension in Guildford?

81.5% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
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Less than one set of revised drawings.

Other project types in Guildford

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%
72.6%
Wraparound Extension (418 decided)
81.8%
78.0%
Basement (141 decided)
81.6%
Annex (118 decided)
73.7%
HMO (66 decided)
56.1%
Flat Conversion (42 decided)
71.4%
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