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SO21 3

Postcode sector

243 live postcodes: 194 in Winchester, 42 in Test Valley and 7 in Basingstoke and Deane.

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, which holds 80% of SO21 3’s postcodes. Open the map at SO21 3 for neighbourhoods and points. Open the map at SO21 3

MPs for SO21 3

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

Winchester, the council that holds 80% of SO21 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 paid 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

Councils in SO21 3

Postcodes in SO21 3