Platycheirus - maybe any help please

Platycheirus - maybe any help please

Observation - Platycheirus - maybe any help please. Description: Observed in a South Wales urban garden. I think it might be a Platycheirus, but not sure of the species. Small, less than 1cm, yellow black abdominal markings, black shiny thorax. Any help appreciated.

Observed in a South Wales urban garden. I think it might be a Platycheirus, but not sure of the species.
Small, less than 1cm, yellow black abdominal markings, black shiny thorax.
Any help appreciated.