Total Crime Rate
137.8 per 1,000
All offences · Oct 2024 - Sep 2025Ullswater Avenue area has the 7th highest crime rate of 68 local areas in Cyncoed , and the 236th highest crime rate of 1,028 local areas in Cardiff .
This postcode sits in a local crime hotspot. Overall crime levels here are significantly higher than in the surrounding streets and the wider area.
The overall crime rate in the area around Ullswater Avenue (CF23 5PT) in the last 12 months was 137.8 per 1,000 residents and was 263.8% higher than the Cyncoed average (37.9 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 16 offences recorded. The least common crime was Other crime with 1 case , up 100.0% compared to 2024. The fastest-growing crime category was Anti-social behaviour ( 166.7% YoY). The sharpest decline was Other theft ( -66.7% YoY).
Violent crimes totalled 21 (≈ 46.7 per 1,000 residents). Year-over-year these were rising ( 61.5% ). Over the last decade, overall crime has falling ( -35.0% comparing early vs recent averages) .
In the area around Ullswater Avenue (CF23 5PT), the highest concentration of overall crime is near Ambleside Avenue, where police recorded 30 incidents. Violent and public-order offences occur most often near Ullswater Avenue (11 offences). Both locations lie within roughly 0.3 miles of this postcode area.
View Crime In Cyncoed| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Sep 2025 | Violence and sexual offences | Ullswater Avenue | Unable to prosecute suspect |
| Sep 2025 | Violence and sexual offences | Ullswater Avenue | Under investigation |
| Sep 2025 | Drugs | Ullswater Avenue | Under investigation |
| Sep 2025 | Drugs | Ambleside Avenue | Local resolution |
StreetScan crime figures are based on official UK open data:
Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright and database right.