Places to spot them include behind the fireplace, in … About.

Giant house spiders are particularly prevalent in the autumn when the males are out looking for females.

Tegenaria gigantea, to give it its proper name, can have a leg span of up to a whopping 10cm (4 in). The giant house spider is the larger cousin of the House spider (Tegenaria domestica), and can be found living behind the fireplace, under the sofa, or in the bath.
These spiders make a thick sheet web, about 15cm across, usually in a neglected corner of a house or shed. This size, combined with the spiders habit of dashing across a room and stopping in the middle, has made it an arachnophobes worst nightmare. These spiders are dark brown in appearance, often with a lighter marking on its sternum… Special features: The Giant House Spider (Eratigena atrica) is one of several similar looking species which inhabit houses and outbuildings - hence the common name "House Spiders". It can be identified by its large, brown body and will commonly be found in UK homes during autumn.

The Giant House Spider is one of the fastest spiders around, and can impressively run up to half a metre per second. Giant house spiders, or Eratigena atrica, are one of the biggest spiders in Central and Northern Europe. Oh and it’s hairy! The males stay with their chosen females for some weeks, mating numerous times until eventually they die, at which point they … The giant house spider as its name suggests is a great big spider often found in houses.