This is Steatoda grossa one of the more common and widespread of our False Widow spiders. This is a species
that lives comfortably in the clutter of sheds and garages and also quote comfortable in cooler parts of our
homes, particularly beneath plinths and appliances in kitchens. It is not a species that is reliably implicated in bites.
For reassuring information on False Widow spiders please see the following link: