Side Extension approval rate in Swansea
Swansea approved 82.7% of side extension applications, based on 490 decisions analysed.
Last updated: August 2026
82.7%
side extension approval rate
490
Side Extension decisions
405
Approved
85
Refused
85.8%
Swansea overall
Side Extension applications are refused more often than the Swansea average (85.8%), suggesting the council scrutinises these projects more closely.
How side extension compares in Swansea
Side Extension
82.7%
Swansea all applications
85.8%
Planning a side extension in Swansea?
82.7% 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Swansea →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Swansea
83.7%
83.1%
68.0%
86.4%
89.7%
86.6%
76.6%
63.9%
42.3%
72.7%
81.8%
81.0%
58.8%
85.7%