SL1 planning approval rate
The SL1 postcode area falls under Slough council, which has a 82.7% planning approval rate based on 14,254 decisions.
Last updated: October 2026
82.72%
Slough approval rate
What this means for SL1
If you're planning a project in the SL1 area, your application will be decided by Slough council. Based on historical data, around 17.3% 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 Slough, 1 in 6 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 Slough
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free planning check for Slough →
✓ Common refusal reasons in Slough
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 14,254 decisions.
Planning professional? PlanningLens runs refusal alerts and evidence packs for Slough and any other published UK council. See the data services →
Slough approval by application type
Full
83.8%
Other
77.8%
Certificate of Lawfulness
81.3%
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93.9%
Trees
92.5%
Prior Approval
84.8%
Listed Building
95.2%