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

Loft Conversion approval rate in Cambridge

Cambridge approved 91.5% of loft conversion applications, based on 364 decisions analysed.

Last updated: August 2026

91.5%
loft conversion approval rate
364
Loft Conversion decisions
333
Approved
31
Refused
93.0%
Cambridge overall

Loft Conversion applications are approved at roughly the same rate as the Cambridge average (93.0%).

How loft conversion compares in Cambridge

Loft Conversion (364 decided)
91.5%
Cambridge all applications (8,530 decided)
93.0%

Planning a loft conversion in Cambridge?

91.5% 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 loft conversion approval rate
✓ Nearest comparable loft conversion decisions
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Other project types in Cambridge

Rear Extension (1,481 decided)
95.1%
Garage / Parking (1,111 decided)
92.8%
Side Extension (848 decided)
94.6%
Outbuilding (526 decided)
95.6%
Dormer (395 decided)
95.4%
Extension (General) (360 decided)
91.9%
77.9%
Front Extension (319 decided)
93.7%
New Build (312 decided)
84.9%
Wraparound Extension (256 decided)
95.7%
Conservatory (221 decided)
97.7%
Annex (146 decided)
90.4%
Basement (80 decided)
97.5%
HMO (50 decided)
76.0%
100.0%
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