This area-level value is averaged from postcode IMD deciles within the area boundary.
High deprivation
Mean decile 3.53 (1 = most deprived, 10 = least)
1 - Most deprived10 - Least deprived
Overall this area reads as High deprivation on relative deprivation, with a mean IMD decile of 3.53 (average of postcode-level deciles in this boundary).
Police Recorded Crime in Sydenham
Crime trends · Sydenham
data.police.uk · YoY vs same month last yearApr '24 – Mar '26
Key categories · YoY
Violent Crime
19
YoY +73%
ASB
13
YoY -41%
Vehicle Crime
3
YoY -67%
Burglary
4
YoY -20%
Criminal damage
1
YoY -83%
Apr '24Oct '24Apr '25Oct '25Mar '26
4 of 5 key categories improving · violent crime rising
47
incidents · Mar '26
Demographics in Sydenham
Ethnicity
Total residents: 18,133
White Brit.43.1%
African11.7%
Other White10.6%
Caribbean10.5%
Other ethnic group: Any other ethnic group3.6%
+ 9 other groups · 20.5%
Religion
Total residents: 18,119
Christian44.0%
No religion38.3%
Not answered7.5%
Muslim6.9%
Hindu1.4%
+ other · 2.0%
Age groups
Total residents: 18,060
35–4924.5%
50–6417.8%
25–3415.7%
10–157.3%
≤46.8%
+ 6 other age groups · 28.0%
Households
Total households: 7,569
Other20.7%
Married or civil partnership couple: Dependent children13.3%
