CARDIFF: PENTWYN DRUG DEALER JAILED FOR OVER FIVE YEARS AFTER COCAINE FLUSH ATTEMPT | INFORMING BRITAIN ON CRIME

A Welsh/Cymru version of this article can be found here. / Mae fersiwn Welsh/Cymreig o'r erthygl hon ar gael yma.

A 36-year-old man from Pentwyn has received a prison sentence after admitting involvement in the supply of Class A drugs.

Jonathan Grossett was the subject of a police warrant executed at a property in Rhoose on Friday 12 September 2025.

Upon entry, officers discovered him attempting to dispose of cocaine in the toilet.

Additional items recovered from the address included drug supply equipment, empty grip-seal bags and more than £200 in cash.

Grossett entered guilty pleas to being concerned in the supply of cocaine, acquiring or possessing criminal property, and possession with intent to supply a controlled drug of Class A.

He appeared at Cardiff Crown Court on Wednesday 29 October 2025 and was sentenced to five years and seven months imprisonment.

---

Cardiff Crown Court

Detective Inspector Bartley said:

"Jonathan Grossett is yet another man who saw Class A drugs as a 'get-rich-quick' scheme.

"Drugs blight our communities, and Jonathan was playing his part in bringing that misery to the streets of Cardiff.

"Tackling organised crime is a priority for South Wales Police and we will continue to be relentless in our pursuit of criminals to protect communities from harm."

Jonathan Grossett resided in the Pentwyn area of Wales prior to his arrest

If you have any suspicions that drug dealing is occurring, or if you are worried that a young person, child or vulnerable adult may have been targeted by an Organised Crime group, please inform South Wales Police.

Contact South Wales Police on 101, or report anonymously to CrimeStoppers by calling 0800 555 111.