Total Crime Rate

57.5 per 1,000 6/10 · Average

All offences · May 2025 - Apr 2026

Violent Crime Rate

34.5 per 1,000 6/10 · Average

May 2025 - Apr 2026
Latest update: 06.06.2026 Crime figures are sourced from data.police.uk and are typically published with a 3-month delay.
Crime rate per 1000 residents
  • All crimes 57.5 6/10
  • Violent crimes 34.5 6/10
  • Violence and sexual offences 23.0 5/10
  • Other crime 8.6 9/10
  • Public order 8.6 7/10
  • Anti-social behaviour 5.8 3/10
  • Bicycle theft 2.9 3/10
  • Drugs 2.9 2/10
  • Possession of weapons 2.9 3/10
  • Vehicle crime 2.9 2/10
  • Burglary 0.0 1/10
  • Criminal damage and arson 0.0 1/10
  • Other theft 0.0 1/10
  • Robbery 0.0 1/10
  • Shoplifting 0.0 1/10
  • Theft from the person 0.0 1/10
Values shown per 1,000 residents · May 2025 - Apr 2026 · Rating compares this oa to UK peers of the same type.
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Crime overview

Mayflower Avenue area has the 3rd highest crime rate of 36 local areas in Lisvane and Thornhill , and the 456th lowest crime rate of 1,013 local areas in Cardiff .

At least one of the neighbouring streets has high or very high crime levels. However, overall crime around this postcode is more mixed, with some nearby areas experiencing lower crime.

The overall crime rate in the area around Mayflower Avenue (CF14 5HR) in the last 12 months was 57.5 per 1,000 residents and was 121.0% higher than the Lisvane and Thornhill average (26.0 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 8 offences recorded. The least common crime was Bicycle theft with 1 case , up 100.0% compared to 2025. The fastest-growing crime category was Bicycle theft ( 100.0% YoY). The sharpest decline was Public order ( -25.0% YoY).

Violent crimes totalled 12 (≈ 34.5 per 1,000 residents). Year-over-year these were rising ( 20.0% ). Over the last decade, overall crime has falling ( -30.0% comparing early vs recent averages) .

In the area around Mayflower Avenue (CF14 5HR), the highest concentration of overall crime is near Cadnant Close, where police recorded 12 incidents. Violent and public-order offences occur most often near Llangranog Place (6 offences). Both locations lie within roughly 0.3 miles of this postcode area.

View Crime In Llanishen

Crime Over Time in Mayflower Avenue area

Showing crimes within 0.3 miles (5/5)
Month:
MonthCrimeLocation*Last Outcome
Apr 2026Drugs Cornfield Close Under investigation
Apr 2026Violence and sexual offences Cornfield Close Under investigation
Apr 2026Public order Bryn Glas Under investigation
Apr 2026Violence and sexual offences Llangranog Place Under investigation
Apr 2026Violence and sexual offences Whitesands Road Under investigation
* on or near this location Page 1 • Showing 5 of 5

Data Sources

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.

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