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SO31 4

Postcode sector

120 live postcodes, all in Eastleigh.

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 Eastleigh. Open the map at SO31 4 for neighbourhoods and points. Open the map at SO31 4

Your MP

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

1 of Eastleigh’s 82 neighbourhoods are in England’s most deprived 20%.

Eastleigh, the council that holds 100% of SO31 4

Average house price
£310,283
Up 2.6% in a year
HM Land Registry · Jul 2026
Median full-time pay
£42,461
93rd highest paid of 348
ONS earnings survey · 2025
House price to pay
7.3×
172nd least affordable of 348
Worked out by Open Index
Deprivation score
11.0
34th least deprived of 296
MHCLG · England only

Everything about Eastleigh

Postcodes in SO31 4