Annex approval rate in Swansea
Swansea approved 81.8% of annex applications, based on 22 decisions analysed.
Last updated: August 2026
81.8%
annex approval rate
22
Annex decisions
18
Approved
4
Refused
85.8%
Swansea overall
Annex applications are refused more often than the Swansea average (85.8%), suggesting the council scrutinises these projects more closely.
How annex compares in Swansea
Annex
81.8%
Swansea all applications
85.8%
Planning a annex in Swansea?
81.8% 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
Free planning check for Swansea →
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Swansea
83.7%
82.7%
83.1%
68.0%
86.4%
89.7%
86.6%
76.6%
63.9%
42.3%
72.7%
81.0%
58.8%
85.7%