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SM4 postcode area · Merton

The SM4 postcode district spans 11 neighbourhoods (MSOAs) in Merton, Sutton. Area Scores range from 23 to 98 across them. Every full SM4 postcode falls within one of the neighbourhoods below.

In summary

There is a sharp split within the SM4 district: Belmont & South Cheam scores 99 out of 100 (#80 of 6,856 nationally) while Middleton Circle sits at 24 — neighbours on the map, 75 points apart on the index. It mixes both ends of the national picture — 5 neighbourhoods in the least-deprived third of England and 3 in the most-deprived third. House prices stretch as far as the scores do: medians run from £400,000 in Mitcham West to £700,000 in Merton Park — a 1.8× gap within the SM4 district. Note that the district straddles 2 local authorities — Merton and Sutton — so its neighbourhoods answer to different councils.

Living here

Typical net household income£52,143a year, weighted avg of neighbourhood estimates
Recorded crime58per 1,000 residents, 12m
Median age (est.)38
Owner-occupied61%

Income: ONS model-based estimates (FYE 2023). Crime: data.police.uk, recorded incidents. Age & tenure: Census 2021. All OGL v3.0 — methodology.

House prices in the SM4 district

£505,000median home sold over the past year · +19.5% over 5 years · +2.5% over the year · 316 sales
Detached£615,000
Semi-detached£620,000
Terraced£525,000
Flat£320,000
Merton£550,000
London£525,512
England£300,000
Annual median price, all homes. Small samples can be volatile.
Area Score:more deprivedless deprivedTap a neighbourhood to open it →
NeighbourhoodNat. rankArea scoreMedian price
Belmont & South CheamSutton 8099 £623,265
Cannon HillMerton 24596 £638,500
Merton ParkMerton 25996 £700,000
North Cheam WestSutton 50593 £551,000
Lower MordenMerton 88987 £538,000
St Helier NorthMerton 3,78945 £447,000
Morden CentralMerton 3,85744 £443,000
Mitcham SouthMerton 4,20739 £436,500
St Helier SouthSutton 5,03626 £415,500
Mitcham WestMerton 5,20124 £400,000
Middleton CircleSutton 5,22824 £412,500

People living in SM4 Census 2021

Residents98,709
Median age (est.)38
Density5,137per km²
No qualifications18%
Degree or above39%
No car or van26%

Age

0–14 20%15–24 11%25–44 29%45–64 26%65+ 14%

Tenure

Own outright: 27%Mortgage/shared: 34%Social rent: 19%Private rent: 19%
Own outright 27%Mortgage/shared 34%Social rent 19%Private rent 19%

Households

One person: 23%Couple, no children: 13%Couple with children: 32%Lone parent: 13%Other: 19%
One person 23%Couple, no children 13%Couple with children 32%Lone parent 13%Other 19%

Work (top occupations)

Professional 22% · Managers & directors 13% · Associate professional 12%

All occupation groups
Professional22%
Managers & directors13%
Associate professional12%
Skilled trades11%
Administrative10%
Elementary9%
Caring & leisure9%
Sales & customer service8%
Process & plant6%

Ethnic group

White: 62%Asian: 20%Black: 8%Mixed: 5%Other: 4%
White 62%Asian 20%Black 8%Mixed 5%Other 4%

Religion & identity

Christian 47% · No religion 28% · Muslim 11%

Born outside the UK: 35%

Census 2021 (ONS), Crown copyright, OGL v3.0. Shares are of each question's own respondents (e.g. education is % of residents aged 16+). Figures date from March 2021 and change slowly between censuses.

Towns & places in SM4

Places whose neighbourhoods overlap the SM4 district.

Merton Mitcham North Cheam

Nearby areas

Postcode districts around SM4.

SM1 SM3 SW20 SM5 SW19 KT4 SM2 CR44

A postcode district overlaps several neighbourhoods, so per-neighbourhood figures are shown alongside the district-wide medians — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.