LL21 planning approval rate
The LL21 postcode area falls under Gwynedd council, which has a 87.9% planning approval rate based on 9,705 decisions.
Last updated: October 2026
87.89%
Gwynedd approval rate
What this means for LL21
If you're planning a project in the LL21 area, your application will be decided by Gwynedd council. Based on historical data, around 12.1% of applications are refused. The approval rate varies by ward and application type, use our free tool to check your specific property.
What gets approved near your property?
In Gwynedd, 1 in 8 applications are refused. The PlanningLens property report runs to 17 pages on your address:
✓ Ward-level approval rates for your exact area
✓ Common refusal reasons in Gwynedd
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free planning check for Gwynedd →
✓ Common refusal reasons in Gwynedd
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 9,705 decisions.
Planning professional? PlanningLens runs refusal alerts and evidence packs for Gwynedd and any other published UK council. See the data services →
Gwynedd approval by application type
Other
88.6%