Annex approval rate in Swansea
Swansea approved 81.0% of annex applications, based on 21 decisions analysed.
Last updated: June 2026
81.0%
annex approval rate
21
Annex decisions
17
Approved
4
Refused
85.7%
Swansea overall
Annex applications are refused more often than the Swansea average (85.7%), suggesting the council scrutinises these projects more closely.
How annex compares in Swansea
Annex
81.0%
Swansea all applications
85.7%
Planning a annex in Swansea?
81.0% 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
83.4%
82.1%
82.9%
65.8%
85.8%
88.2%
85.4%
75.9%
61.5%
47.5%
76.2%
80.0%
58.8%
84.6%