SG3 is a postcode district associated with North 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
B89% below avg
Schools
D100% Good or Outstanding
Transport
F1 rail stations nearby
Afford.
FMedian £465,000
Environ.
AData under review
Health
A1 GP practices nearby
Education
BAbove average
Community
AStrong community
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This page covers the SG3 postcode district, which includes all postcodes starting with SG3 (e.g. SG3 3RG, SG3 4AB, SG3 5XX). All postcodes within SG3 share the same district-level data.
Data last updated October 2026 · Official UK government sources