L21 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 L21 4 for neighbourhoods and points. Open the map at L21 4

Your MP

Peter DowdLabourMP for Bootle

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 L21 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 L21 4

L21 4ABSefton
L21 4LASefton
L21 4LBSefton
L21 4LDSefton
L21 4LESefton
L21 4LFSefton
L21 4LGSefton
L21 4LJSefton
L21 4LLSefton
L21 4LNSefton
L21 4LPSefton
L21 4LRSefton
L21 4LTSefton
L21 4LUSefton
L21 4LWSefton
L21 4LXSefton
L21 4LYSefton
L21 4LZSefton
L21 4NASefton
L21 4NBSefton
L21 4NDSefton
L21 4NHSefton
L21 4NNSefton
L21 4NPSefton
L21 4NRSefton
L21 4NSSefton
L21 4NTSefton
L21 4NUSefton
L21 4NWSefton
L21 4PASefton
L21 4PDSefton
L21 4PFSefton
L21 4PGSefton
L21 4PJSefton
L21 4PLSefton
L21 4PNSefton
L21 4PQSefton
L21 4PWSefton
L21 4PZSefton