Annex approval rate in Stevenage

Stevenage approved 73.3% of annex applications, based on 30 decisions analysed.

Last updated: August 2026

73.3%

annex approval rate

Annex decisions

Approved

Refused

94.0%

Stevenage overall

Annex applications are refused more often than the Stevenage average (94.0%), suggesting the council scrutinises these projects more closely.

How annex compares in Stevenage

Annex (30 decided)

73.3%

Stevenage all applications (3,927 decided)

94.0%

73.3% 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 annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Rear Extension (1,220 decided)

93.9%

92.1%

95.7%

91.5%

93.5%

New Build (192 decided)

88.0%

Conservatory (182 decided)

98.4%

Dormer (135 decided)

90.4%

90.9%

96.2%

92.1%

Outbuilding (87 decided)

98.9%

HMO (33 decided)

90.9%