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SO23 3

Postcode sector

68 live postcodes, all in Winchester.

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 Winchester. Open the map at SO23 3 for neighbourhoods and points. Open the map at SO23 3

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Deprivation by neighbourhood

English Indices of Deprivation 2025

Most deprived 10%Least

1 of Winchester’s 72 neighbourhoods are in England’s most deprived 20%.

Winchester, the council that holds 100% of SO23 3

Average house price
£463,025
Up 2.1% in a year
HM Land Registry · Jul 2026
Median full-time pay
£45,766
42nd highest of 348
ONS earnings survey · 2025
House price to pay
10.1×
51st least affordable of 348
Worked out by Open Index
Deprivation score
10.2
29th least deprived of 296
MHCLG · England only

Everything about Winchester

Postcodes in SO23 3