New hanger
Vendee,
They (being two sheds) are going up alongside the existing KLM Engineering ones. That's behind the old eastern apron.
I think the former Bristow hangers have/are being taken down.
Incidentally, work is also progressing on the Air Ambulance hangar on the western side as well.
Going back a little, I think the original main run way was 04/22. This points directly into the centre of Norwich city, which lead to some nasty incidents in WW2.
Now this is used for aircraft parking, with 09/27 being the only runway.