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L20 4

Postcode sector

186 live postcodes: 185 in Sefton, 1 in Liverpool.

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 Sefton, which holds 99% of L20 4’s postcodes. Open the map at L20 4 for neighbourhoods and points. Open the map at L20 4

MPs for L20 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

52 of Sefton’s 191 neighbourhoods are in England’s most deprived 20%.

Sefton, the council that holds 99% of L20 4

Average house price
£224,289
Up 3.7% in a year
HM Land Registry · Jul 2026
Median full-time pay
£36,937
120th lowest paid of 348
ONS earnings survey · 2025
House price to pay
6.1×
103rd most affordable of 348
Worked out by Open Index
Deprivation score
25.1
80th most deprived of 296
MHCLG · England only

Everything about Sefton

Councils in L20 4

Postcodes in L20 4