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CM1 is a postcode district associated with Chelmsford. These profiles combine postcode-district records with wider-area context. The legacy composite score is experimental; source dates and limitations are listed below.
Safety
FIn line with avg
Schools
B92.6% Good or Outstanding
Transport
A+1 rail stations nearby
Afford.
FMedian £385,000
Environ.
AData under review
Health
A+8 GP practices nearby
Education
AAbove average
Community
AStrong community
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This page covers the CM1 postcode district, which includes all postcodes starting with CM1 (e.g. CM1 3RG, CM1 4AB, CM1 5XX). All postcodes within CM1 share the same district-level data.
Data last updated October 2026 · Official UK government sources