Can anyone identify this plant please?
Hi! This looks like Agapetes serpens, is a semi-climbing shrub species native to the Himalayas. You can read about a similar plant Agapetes ‘Ludgvan Cross’ here.
Agapetes are botanically related to the Vacciniums (which includes blueberries) and they are members of the wider Ericaceae family which takes in the heaths and heathers too.