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AL9 6

Postcode sector

112 live postcodes: 110 in Welwyn Hatfield, 2 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 Welwyn Hatfield, which holds 98% of AL9 6’s postcodes. Open the map at AL9 6 for neighbourhoods and points. Open the map at AL9 6

MPs for AL9 6

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

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Deprivation by neighbourhood

English Indices of Deprivation 2025

Most deprived 10%Least

2 of Welwyn Hatfield’s 69 neighbourhoods are in England’s most deprived 20%.

Welwyn Hatfield, the council that holds 98% of AL9 6

Average house price
£448,681
Up 3.0% in a year
HM Land Registry · Jul 2026
Median full-time pay
£45,145
48th highest paid of 348
ONS earnings survey · 2025
House price to pay
9.9×
56th least affordable of 348
Worked out by Open Index
Deprivation score
13.9
77th least deprived of 296
MHCLG · England only

Everything about Welwyn Hatfield

Councils in AL9 6

Postcodes in AL9 6