Lisvane and Thornhill crime figures: 39 offences reported in September, up 39% on August

Lisvane and Thornhill recorded 39 crimes and anti-social behaviour incidents in September 2026, up 39% on August (28), according to the latest street-level figures published by South Wales Police.

The most commonly reported category was violence and sexual offences, with 17 reports, or 44% of the total, followed by criminal damage and arson (7) and public order (5).

Neighbourhood officers currently list nuisance motorbikes / scooters and vehicle crime as their priorities for the area.

The figures by category

Category	September	August	Change
Violence and sexual offences	17	10	+7
Criminal damage and arson	7	0	new
Public order	5	3	+2
Vehicle crime	4	1	+3
Other crime	2	1	+1
Anti-social behaviour	2	10	−8
Other theft	1	1	0
Burglary	1	0	new
Robbery	0	1	−1
Shoplifting	0	1	−1
Total	39	28	+11

Where it was reported

1. On or near Heol Nant Glandulas: 4
2. On or near Maerdy Lane: 3
3. On or near Galahad Close: 2
4. On or near Wenallt Road: 2
5. On or near Dderwen Deg: 2
6. On or near Y Deri Duon: 2

Police move each report to a nearby anonymised point before publishing, so “on or near” a street does not mean the incident happened on that street.

What has happened since

• Under investigation: 29
• Unable to prosecute suspect: 7
• Investigation complete; no suspect identified: 1

Figures are from South Wales Police street-level data on data.police.uk, published monthly about two months in arrears. They count reports, not convictions, and can be revised.