L23 3

Postcode sector

51 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 3 for neighbourhoods and points. Open the map at L23 3

MPs for L23 3

Peter DowdLabourMP for Bootle84% of L23 3’s postcodes
Bill EstersonLabourMP for Sefton Central16% of L23 3’s postcodes

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 3

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 3

L23 3ADSefton
L23 3AESefton
L23 3AFSefton
L23 3AGSefton
L23 3AHSefton
L23 3AJSefton
L23 3ALSefton
L23 3ANSefton
L23 3APSefton
L23 3AQSefton
L23 3ARSefton
L23 3ASSefton
L23 3ATSefton
L23 3AWSefton
L23 3AXSefton
L23 3AYSefton
L23 3AZSefton
L23 3BASefton
L23 3BBSefton
L23 3BDSefton
L23 3BESefton
L23 3BGSefton
L23 3BJSefton
L23 3BNSefton
L23 3BPSefton
L23 3BQSefton
L23 3BRSefton
L23 3BSSefton
L23 3BTSefton
L23 3BUSefton
L23 3BWSefton
L23 3BXSefton
L23 3BYSefton
L23 3BZSefton
L23 3DASefton
L23 3DBSefton
L23 3DDSefton
L23 3DESefton
L23 3DFSefton
L23 3DGSefton
L23 3DHSefton
L23 3DJSefton
L23 3DLSefton
L23 3DNSefton
L23 3DPSefton
L23 3DQSefton
L23 3DRSefton
L23 3DSSefton
L23 3DWSefton
L23 3YWSefton
L23 3YXSefton