CM1 planning approval rate
The CM1 postcode area falls under Chelmsford council, which has a 83.1% planning approval rate based on 385 decisions.
Last updated: October 2026
83.12%
Chelmsford approval rate
What this means for CM1
If you're planning a project in the CM1 area, your application will be decided by Chelmsford council. Based on historical data, around 16.9% 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 Chelmsford, 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 Chelmsford
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free planning check for Chelmsford →
✓ Common refusal reasons in Chelmsford
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 385 decisions.
Planning professional? PlanningLens runs refusal alerts and evidence packs for Chelmsford and any other published UK council. See the data services →
Chelmsford approval by application type
Other
85.7%