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Annex approval rate in Cheltenham

Cheltenham approved 91.5% of annex applications, based on 130 decisions analysed.

Last updated: March 2026

91.5%
annex approval rate
130
Annex decisions
119
Approved
11
Refused
95.9%
Cheltenham overall

Annex applications are refused more often than the Cheltenham average (95.9%), suggesting the council scrutinises these projects more closely.

How annex compares in Cheltenham

Annex (130 decided)
91.5%
Cheltenham all applications (13,600 decided)
95.9%

Planning a annex in Cheltenham?

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Less than one set of revised drawings.

Other project types in Cheltenham

Rear Extension (2,399 decided)
98.0%
Garage / Parking (1,811 decided)
95.7%
Side Extension (1,309 decided)
96.9%
Extension (General) (1,224 decided)
96.2%
Dormer (568 decided)
96.1%
Outbuilding (550 decided)
96.0%
94.6%
Conservatory (473 decided)
99.2%
Loft Conversion (404 decided)
92.6%
New Build (363 decided)
87.1%
Basement (333 decided)
96.7%
Wraparound Extension (274 decided)
97.8%
Front Extension (223 decided)
96.4%
95.9%
Flat Conversion (28 decided)
89.3%
HMO (24 decided)
87.5%
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