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PO21 4

Postcode sector

270 live postcodes, all in Arun.

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 Arun. Open the map at PO21 4 for neighbourhoods and points. Open the map at PO21 4

MPs for PO21 4

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

9 of Arun’s 99 neighbourhoods are in England’s most deprived 20%.

Arun, the council that holds 100% of PO21 4

Average house price
£321,460
Up 0.9% in a year
HM Land Registry · Jul 2026
Median full-time pay
£34,546
44th lowest paid of 348
ONS earnings survey · 2025
House price to pay
9.3×
Joint 73rd least affordable of 348
Worked out by Open Index
Deprivation score
19.4
141st most deprived of 296
MHCLG · England only

Everything about Arun

Postcodes in PO21 4