AL4 is a postcode district associated with Hertsmere. These profiles combine postcode-district records with wider-area context. The legacy composite score is experimental; source dates and limitations are listed below.
Safety
C86% below avg
Schools
A100% Good or Outstanding
Transport
D11 stops nearby
Afford.
FMedian £630,000
Environ.
AData under review
Health
A1 GP practices nearby
Education
BAbove average
Community
AStrong community
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This page covers the AL4 postcode district, which includes all postcodes starting with AL4 (e.g. AL4 3RG, AL4 4AB, AL4 5XX). All postcodes within AL4 share the same district-level data.
Data last updated October 2026 · Official UK government sources