C60/100
CM23 is a postcode district associated with East Hertfordshire. These profiles combine postcode-district records with wider-area context. The legacy composite score is experimental; source dates and limitations are listed below.
Safety
F58% below avg
Schools
B100% Good or Outstanding
Transport
B2 rail stations nearby
Afford.
FMedian £421,000
Environ.
BData under review
Health
A+6 GP practices nearby
Education
A+Above average
Community
A+Strong community
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This page covers the CM23 postcode district, which includes all postcodes starting with CM23 (e.g. CM23 3RG, CM23 4AB, CM23 5XX). All postcodes within CM23 share the same district-level data.
Data last updated October 2026 · Official UK government sources