"There's an OEU at Benson?"
Yep, they hide away upstairs in the Sim Building.
As for there being no space at Benson, I'm sure people wouldn't complain too much if they were put up in hotels in Henley ..... especially with the summer approaching. Not sure whether or not you'd get them into work on time - if at all - but it's a solution that would be good for morale.
And after all, the Booties set a precedent with their Travelodge episode