What is this, wasp, hornet

What is this, wasp, hornet

Observation - What is this, wasp, hornet - UK and Ireland. Description: I disturbed a very dopey nest of these creatures while rebuilding a wall. They came out of the nest and after a pause flew away without bothering me. I thought they were wasps but on closer inspection they have massive bodies.

I disturbed a very dopey nest of these creatures while rebuilding a wall. They came out of the nest and after a pause flew away without bothering me. I thought they were wasps but on closer inspection they have massive bodies.