L23 4

Postcode sector

39 live postcodes, all in Sefton.

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. Open the map at L23 4 for neighbourhoods and points. Open the map at L23 4

Your MP

Bill EstersonLabourMP for Sefton Central

As of 18 October 2026, 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 100% of L23 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

Postcodes in L23 4

L23 4ABSefton
L23 4ADSefton
L23 4AESefton
L23 4AFSefton
L23 4AGSefton
L23 4AHSefton
L23 4AJSefton
L23 4ALSefton
L23 4TASefton
L23 4TBSefton
L23 4TDSefton
L23 4TESefton
L23 4TFSefton
L23 4TGSefton
L23 4THSefton
L23 4TJSefton
L23 4TLSefton
L23 4TPSefton
L23 4TQSefton
L23 4TRSefton
L23 4TSSefton
L23 4TTSefton
L23 4TUSefton
L23 4TWSefton
L23 4TXSefton
L23 4TYSefton
L23 4TZSefton
L23 4UASefton
L23 4UBSefton
L23 4UDSefton
L23 4UESefton
L23 4UFSefton
L23 4UGSefton
L23 4UHSefton
L23 4UJSefton
L23 4ULSefton
L23 4UNSefton
L23 4UPSefton
L23 4UQSefton