Annex approval rate in Dorset
Dorset approved 88.4% of annex applications, based on 147 decisions analysed.
Last updated: March 2026
88.4%
annex approval rate
147
Annex decisions
130
Approved
17
Refused
92.4%
Dorset overall
Annex applications are refused more often than the Dorset average (92.4%), suggesting the council scrutinises these projects more closely.
How annex compares in Dorset
Annex
88.4%
Dorset all applications
92.4%
Planning a annex in Dorset?
88.4% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Dorset
91.2%
94.1%
92.9%
91.9%
95.3%
94.1%
98.3%
82.6%
96.0%
98.8%
94.2%
84.6%
81.8%
70.0%