Hi earwig999 not from Rugby but have a few customers in and around that part of town.
That Clock Towers shopping Centre along with the Asda have car parks, they are above and have a stupid spiral to get in, only use if its p*ssing down with rain.
if you look at Map the road at the top coming down Newbold Road is from M6 J1 where it says Benn Hall and Rugby Borough Council there is a surface car park there and its about 300 yrds to Argos. if you look at street view "little man" you can see its only a few minutes walk and Argos is on the outside of the shopping Centre.