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SS9 3

Postcode sector

210 live postcodes: 202 in Southend-on-Sea, 8 in Castle Point.

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 Southend-on-Sea, which holds 96% of SS9 3’s postcodes. Open the map at SS9 3 for neighbourhoods and points. Open the map at SS9 3

MPs for SS9 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

25 of Southend-on-Sea’s 108 neighbourhoods are in England’s most deprived 20%.

Southend-on-Sea, the council that holds 96% of SS9 3

Average house price
£328,383
Up 1.6% in a year
HM Land Registry · Jul 2026
Median full-time pay
£41,554
106th highest paid of 348
ONS earnings survey · 2025
House price to pay
7.9×
138th least affordable of 348
Worked out by Open Index
Deprivation score
24.0
89th most deprived of 296
MHCLG · England only

Everything about Southend-on-Sea

Councils in SS9 3

Postcodes in SS9 3