SL5 planning approval rate
The SL5 postcode area falls under Windsor & Maidenhead council, which has a 81.7% planning approval rate based on 4,437 decisions.
Last updated: October 2026
What this means for SL5
If you're planning a project in the SL5 area, your application will be decided by Windsor & Maidenhead council. Based on historical data, around 18.3% 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 Windsor & Maidenhead, 1 in 5 applications are refused. The PlanningLens property report runs to 17 pages on your address:
✓ Common refusal reasons in Windsor & Maidenhead
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 4,437 decisions.
Planning professional? PlanningLens runs refusal alerts and evidence packs for Windsor & Maidenhead and any other published UK council. See the data services →