Police are appealing for information after the thefts of catalytic converters in Kemble.
Officers said two vehicles parked in the car park at Windmill Hill were targeted.
The first incident happened last Thursday between 7:30am and 6pm on Friday.
Another vehicle was targeted between 8am and 8pm on 19th January.
Anyone with information is asked to contact Gloucestershire Police on 101.
You can also report any information anonymously to Crimestoppers by calling 0800 555111 or online at Giving information | Crimestoppers (crimestoppers-uk.org)