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SM4 4

Postcode sector

178 live postcodes, all in Merton.

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 Merton. Open the map at SM4 4 for neighbourhoods and points. Open the map at SM4 4

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Deprivation by neighbourhood

English Indices of Deprivation 2025

Most deprived 10%Least

6 of Merton’s 126 neighbourhoods are in England’s most deprived 20%.

Merton, the council that holds 100% of SM4 4

Average house price
£615,890
Down 0.9% in a year
HM Land Registry · Jul 2026
Median full-time pay
£50,844
12th highest of 348
ONS earnings survey · 2025
House price to pay
12.1×
20th least affordable of 348
Worked out by Open Index
Deprivation score
14.4
86th least deprived of 296
MHCLG · England only

Everything about Merton

Postcodes in SM4 4