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SE23 3

Postcode sector

248 live postcodes: 219 in Lewisham, 29 in Southwark.

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 Lewisham, which holds 88% of SE23 3’s postcodes. Open the map at SE23 3 for neighbourhoods and points. Open the map at SE23 3

MPs for SE23 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

35 of Lewisham’s 175 neighbourhoods are in England’s most deprived 20%.

Lewisham, the council that holds 88% of SE23 3

Average house price
£488,658
Up 0.7% in a year
HM Land Registry · Jul 2026
Median full-time pay
£45,702
43rd highest paid of 348
ONS earnings survey · 2025
House price to pay
10.7×
39th least affordable of 348
Worked out by Open Index
Deprivation score
25.5
75th most deprived of 296
MHCLG · England only

Everything about Lewisham

Councils in SE23 3

Postcodes in SE23 3