SM3 is a district with notable trade-offs with strong education and health scores. However, affordability and environment scores are below average. Average house prices of £523K sit close to the London median, and crime levels are 66% below the London average.
Best for:Health-conscious residents
🛡️Safety
49
66% below avg
🎓Schools
84
100% Good or Outstanding
🚇Transport
37
2 rail stations nearby
💷Afford.
18
Avg £523,178
🌿Environ.
24
Good air quality · 36% green
❤️Health
87
3/6 GPs accepting patients
📚Education
96
Above average
👥Community
79
Strong community
🛡️
Crime & Safety
66% below avg
Stable155 offences/mo → 130 offences/mo
Monthly avg: 138Peak: 171Low: 108
Source: data.police.uk | Rolling 12 months
🏠
House Prices
+1.7%
Average
£523,178
Median
£545,000
Sales (12m)
251
YoY Change
-15.6%
Sales Volume
109
5
45
57
40
Source: HM Land Registry PPD | Aggregated to postcode district
🎓
Schools
8 nearby
Source: Ofsted | Distances from district centre
🚇
Transport
14 stops
Stations & stops
Bus stops
Source: NaPTAN / ATOC | Distances from district centre
👥
Demographics
209,639 residents
White
68.3%
Ldn 53.8%
Asian
17.5%
Ldn 20.7%
Black
5.9%
Ldn 13.5%
Mixed
4.8%
Ldn 5.7%
Other
3.4%
Ldn 6.3%
SM3 has a similar ethnic makeup to the London average. The vertical markers show the London average.
Source: ONS Census 2021 (TS021, TS007a) | Aggregated from LSOA to postcode district
This page covers the SM3 postcode district, which includes all postcodes starting with SM3 (e.g. SM3 3RG, SM3 4AB, SM3 5XX). All postcodes within SM3 share the same district-level data.
Data last updated March 2026 · Official UK government sources