What insect is this? (England)
I think i have an answer it is this nice guy. 



Latin name is Leptoglossus occidentalis.

Short description of Leptoglossus occidentalis: 


  Western Conifer Seed Bug
  The Western Conifer Seed Bug Leptoglossus occidentalis is a large and conspicuous squashbug, reaching a length of 20mm when adult. It is easily distinguished from all other GB coreids by its reddish-brown body, transverse white zigzag line across the centre of its wings and characteristic leaf-like expansions on the hind tibiae.