Following my recent hands on coaching session from the Bumble Bee who knows, I'll go for a mature male or immature female Steatoda noblis (noting the reddish legs and the curved cream band on the abdomen). One of our facinating False Widows on it's gradual march North.
You can see the markings more clearly in this photo, I agree. Where in the country was it seen? Not sure it's reache up into the Birmingham area, whre I live. Kind regards Tony
Thanks for blowing the image up a bit pholcus - from this and location I would now err on the side of grossa. Flash photography often makes the legs look a more vibrant orange/red than they are in life. Size would help too; male nobils usually significantly larger than grossa (depends on how well they have fed of course). Only sure way to do the males is to look at the palps under a microscope - similar in both, but usually clear enough. nobilis could turn up almost anywhere these days as it is well enough established in southern counties and a few more northern localities.