If you're not afraid of them, autumn is the best time of year to see one of the arachnids as males come out of their usual hiding places in search of a mate.
And according to the Society of Biology, which has launched a new recording scheme, the spiders may have started early.
We've had a couple of big ones in the house already
"Like a cheetah they can run very fast for a short distance, and then have to stop to recover."
I didn't know that!