SO18 3

Postcode sector

83 live postcodes: 78 in Eastleigh, 5 in Southampton.

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 Eastleigh, which holds 94% of SO18 3’s postcodes. Open the map at SO18 3 for neighbourhoods and points. Open the map at SO18 3

Open in map

Deprivation by neighbourhood

English Indices of Deprivation 2025

Most deprived 10%Least

1 of Eastleigh’s 82 neighbourhoods are in England’s most deprived 20%.

Eastleigh, the council that holds 94% of SO18 3

Average house price

£310,283

Up 2.6% in a year

HM Land Registry · Jul 2026

Median full-time pay

£42,461

93rd highest of 348

ONS earnings survey · 2025

House price to pay

7.3×

172nd least affordable of 348

Worked out by Open Index

Deprivation score

11.0

34th least deprived of 296

MHCLG · England only

Everything about Eastleigh

Councils in SO18 3

Eastleigh78 postcodes
Southampton5 postcodes

Postcodes in SO18 3

SO18 3ADSouthampton
SO18 3AEEastleigh
SO18 3AFEastleigh
SO18 3AGEastleigh
SO18 3BWEastleigh
SO18 3BXSouthampton
SO18 3BYEastleigh
SO18 3BZEastleigh
SO18 3DAEastleigh
SO18 3DBEastleigh
SO18 3DDEastleigh
SO18 3DEEastleigh
SO18 3DHEastleigh
SO18 3HTEastleigh
SO18 3HWEastleigh
SO18 3HYSouthampton
SO18 3JYEastleigh
SO18 3JZEastleigh
SO18 3LBEastleigh
SO18 3LDEastleigh
SO18 3LEEastleigh
SO18 3LFEastleigh
SO18 3LHEastleigh
SO18 3LJEastleigh
SO18 3LLEastleigh
SO18 3LNEastleigh
SO18 3LPEastleigh
SO18 3LQEastleigh
SO18 3LREastleigh
SO18 3LSEastleigh
SO18 3LWEastleigh
SO18 3LXEastleigh
SO18 3LYEastleigh
SO18 3LZEastleigh
SO18 3NAEastleigh
SO18 3NBEastleigh
SO18 3NDEastleigh
SO18 3NEEastleigh
SO18 3NFEastleigh
SO18 3NGEastleigh
SO18 3NHSouthampton
SO18 3NJEastleigh
SO18 3NLEastleigh
SO18 3NPEastleigh
SO18 3NQEastleigh
SO18 3NREastleigh
SO18 3NTEastleigh
SO18 3NUSouthampton
SO18 3PAEastleigh
SO18 3PBEastleigh
SO18 3PDEastleigh
SO18 3PEEastleigh
SO18 3PFEastleigh
SO18 3PGEastleigh
SO18 3PHEastleigh
SO18 3PJEastleigh
SO18 3PNEastleigh
SO18 3PPEastleigh
SO18 3PQEastleigh
SO18 3PREastleigh
SO18 3PSEastleigh
SO18 3PTEastleigh
SO18 3PUEastleigh
SO18 3PWEastleigh
SO18 3QAEastleigh
SO18 3QBEastleigh
SO18 3QDEastleigh
SO18 3QEEastleigh
SO18 3QHEastleigh
SO18 3QLEastleigh
SO18 3QNEastleigh
SO18 3QPEastleigh
SO18 3QREastleigh
SO18 3QSEastleigh
SO18 3QTEastleigh
SO18 3QUEastleigh
SO18 3QWEastleigh
SO18 3QXEastleigh
SO18 3RAEastleigh
SO18 3RBEastleigh
SO18 3RPEastleigh
SO18 3RQEastleigh
SO18 3RREastleigh