Extension (General) approval rate in Gwynedd
Gwynedd approved 91.5% of extension (general) applications, based on 1,842 decisions analysed.
Last updated: September 2026
91.5%
extension (general) approval rate
1,842
Extension (General) decisions
1,685
Approved
157
Refused
87.8%
Gwynedd overall
Extension (General) applications are approved more often than the Gwynedd average (87.8%), suggesting the council is relatively receptive to these projects.
How extension (general) compares in Gwynedd
Extension (General)
91.5%
Gwynedd all applications
87.8%
Planning a extension (general) in Gwynedd?
91.5% 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 extension (general) approval rate
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Gwynedd →
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Gwynedd and any other published UK council — see the data services →
Other project types in Gwynedd
85.9%
86.6%
93.7%
79.3%
92.7%
84.4%
95.9%
79.0%
91.5%
88.4%
88.9%
64.9%
69.7%
92.6%