Annex approval rate in Swindon

Swindon approved 84.6% of annex applications, based on 13 decisions analysed.

Last updated: March 2026

84.6%

annex approval rate

Annex decisions

Approved

Refused

94.3%

Swindon overall

Annex applications are refused more often than the Swindon average (94.3%), suggesting the council scrutinises these projects more closely.

How annex compares in Swindon

Annex (13 decided)

84.6%

Swindon all applications (3,908 decided)

94.3%

84.6% 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

Less than one set of revised drawings.

Rear Extension (1,075 decided)

93.0%

92.4%

91.4%

Conservatory (221 decided)

95.9%

New Build (217 decided)

88.5%

Dormer (143 decided)

87.4%

88.6%

92.7%

83.1%

Outbuilding (60 decided)

93.3%

96.2%

84.2%