Who lives in a house like this?

Who lives in a house like this?

Observation - Who lives in a house like this? - UK and Ireland. Description: I am assuming these are made by some kind of spider. There are a great many of them on these old stone walls and they are all at the entrance to cavities between the stones. The more or less circular 'entrance' holes in the web vary in size between approx

I am assuming these are made by some kind of spider. There are a great many of them on these old stone walls and they are all at the entrance to cavities between the stones. The more or less circular 'entrance' holes in the web vary in size between approx. 5-6mm to 14-16mm dia.