SM4 area guide
Who lives in SM4, what homes sell for, and how it compares on crime, schools and transport.
- Council
- Merton
- Region
- London
- Population
- 50,177 (2024)
What SM4 is like
The SM4 postcode district in Merton covers 582 live postcodes and is home to about 50,177 people across 28 census neighbourhoods. 59.8% of households own their home, 20.2% rent privately and 19.3% are in social housing. The biggest age group is 40–44, and 59.9% of adults are in work. On deprivation it sits close to the middle of the range for England. Higher-harm crime is around the national middle. Homes in SM4 sold for a median of £475,000 over the year to August 2026.
How SM4 compares
Each figure is set against England as a whole. Follow a score for the detail behind it.
Around the middle — decile 1 is the most deprived tenth of England, 10 the least.
Around the middle — 25.0 higher-harm crimes per 1,000 people a year vs 31.1 nationally.
Average a year, before tax — higher than 91% of neighbourhoods in England and Wales.
Worth knowing before you invest
Only flagged where this area is materially different from the national picture.
- 01Prices fallingLook closer
The median sale price in SM4 is down 6.9% on the year before.
- 02Well connectedPositive
9 stations within a mile and 31 bus stops within a ten-minute walk.
- 03Well-rated schoolsPositive
100% of the inspected schools nearby are rated good or better.
SM4 FAQs
01Is SM4 a good place to live?Deprivation, crime, schools and transport at a glance.
Deprivation, crime, schools and transport at a glance.
02How much does a house cost in SM4?The median sale price over the last year was £475,000.
The median sale price over the last year was £475,000.
03Is SM4 safe?How crime here compares with the rest of the country.
How crime here compares with the rest of the country.
04Who lives in SM4?Age, home ownership and housing from the census.
Age, home ownership and housing from the census.
05Which council covers SM4?SM4 is in Merton.
SM4 is in Merton.
06How well connected is SM4?Connectivity scores 10.0 out of 10.
Connectivity scores 10.0 out of 10.
Sources: Census 2021 (ONS); ONS mid-year population estimates; police recorded crime; the English, Welsh and Scottish indices of deprivation; ONS small area income estimates; ONS private rents; DfE, Welsh and Scottish school registers and Ofsted; DfT NaPTAN; ORR estimates of station usage; HM Land Registry Price Paid Data. Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right.