SM4 postcode area
The SM4 postcode district spans 11 neighbourhoods (MSOAs) in Merton, Sutton. Area Scores range from 23 to 98 across them.
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.
| Neighbourhood | Nat. rank | Area score | Median price |
|---|---|---|---|
| Belmont & South CheamSutton | 80 | 99 | £623,265 |
| Cannon HillMerton | 245 | 96 | £638,500 |
| Merton ParkMerton | 259 | 96 | £700,000 |
| North Cheam WestSutton | 505 | 93 | £551,000 |
| Lower MordenMerton | 889 | 87 | £538,000 |
| St Helier NorthMerton | 3,789 | 45 | £447,000 |
| Morden CentralMerton | 3,857 | 44 | £443,000 |
| Mitcham SouthMerton | 4,207 | 39 | £436,500 |
| St Helier SouthSutton | 5,036 | 26 | £415,500 |
| Mitcham WestMerton | 5,201 | 24 | £400,000 |
| Middleton CircleSutton | 5,228 | 24 | £412,500 |
Nearby areas
Postcode districts around SM4.
A postcode district overlaps several neighbourhoods, so figures are shown per neighbourhood rather than as a single postcode average — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.