2-10 Holton Road Barry CF63 4HD 404 - Page not found - Cardiff and Vale University Health Board404 - Page not found - Cardiff and Vale University Health Board Skip to main content Opens in new window Listen This might be because you typed in the web address incorrectly. Please check the address and spelling. Please go back to the previous page https://cavuhb.nhs.wales/our-services/mental-health/a-z-of-mental-health-services/addiction/needle-exchange/