SG3
Postcode district206 live postcodes: 119 in North Hertfordshire, 49 in Welwyn Hatfield and 38 in East Hertfordshire.
A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of North Hertfordshire, which holds 58% of SG3’s postcodes. Open the map at SG3 for neighbourhoods and points. Open the map at SG3
Deprivation by neighbourhood
English Indices of Deprivation 2025
Most deprived 10%Least
1 of North Hertfordshire’s 82 neighbourhoods are in England’s most deprived 20%.
North Hertfordshire, the council that holds 58% of SG3
Councils in SG3
- North Hertfordshire119 postcodes
- Welwyn Hatfield49 postcodes
- East Hertfordshire38 postcodes
Sectors in SG3
- SG3 6206 postcodes