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SO18 1

Postcode sector

193 live postcodes, all in Southampton.

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 Southampton. Open the map at SO18 1 for neighbourhoods and points. Open the map at SO18 1

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Deprivation by neighbourhood

English Indices of Deprivation 2025

Most deprived 10%Least

37 of Southampton’s 152 neighbourhoods are in England’s most deprived 20%.

Southampton, the council that holds 100% of SO18 1

Average house price
£235,977
Up 2.4% in a year
HM Land Registry · Jul 2026
Median full-time pay
£37,130
128th lowest of 348
ONS earnings survey · 2025
House price to pay
6.4×
123rd most affordable of 348
Worked out by Open Index
Deprivation score
25.6
73rd most deprived of 296
MHCLG · England only

Everything about Southampton

Postcodes in SO18 1