Annex approval rate in Stevenage

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

Last updated: June 2026

73.3%

annex approval rate

Annex decisions

Approved

Refused

93.9%

Stevenage overall

Annex applications are refused more often than the Stevenage average (93.9%), suggesting the council scrutinises these projects more closely.

How annex compares in Stevenage

Annex (30 decided)

73.3%

Stevenage all applications (3,863 decided)

93.9%

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 (1,206 decided)

93.9%

92.0%

95.7%

91.4%

93.4%

New Build (189 decided)

87.8%

Conservatory (181 decided)

98.3%

Dormer (131 decided)

90.1%

90.6%

96.1%

92.0%

Outbuilding (85 decided)

98.8%

HMO (32 decided)

90.6%