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Annex approval rate in Cheltenham

Cheltenham approved 91.9% of annex applications, based on 136 decisions analysed.

Last updated: August 2026

91.9%
annex approval rate
136
Annex decisions
125
Approved
11
Refused
96.0%
Cheltenham overall

Annex applications are refused more often than the Cheltenham average (96.0%), suggesting the council scrutinises these projects more closely.

How annex compares in Cheltenham

Annex (136 decided)
91.9%
Cheltenham all applications (14,292 decided)
96.0%

Planning a annex in Cheltenham?

91.9% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

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Other project types in Cheltenham

Rear Extension (2,516 decided)
98.0%
Garage / Parking (1,895 decided)
95.9%
Side Extension (1,366 decided)
96.9%
Extension (General) (1,266 decided)
96.3%
Dormer (580 decided)
96.2%
Outbuilding (577 decided)
96.0%
94.4%
Conservatory (493 decided)
99.2%
Loft Conversion (415 decided)
92.8%
New Build (378 decided)
87.6%
Basement (349 decided)
96.3%
Wraparound Extension (286 decided)
97.6%
Front Extension (229 decided)
96.5%
96.0%
Flat Conversion (28 decided)
89.3%
HMO (27 decided)
85.2%
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