you need to try and sell the van to someone you know or knows the van, maybee you could even help someone start up or a relative, is these any way you could subcontract and take a bit of a hit, at least you will still have some income for window cleaning sell them the van then its there van and kit maybe ? just that, people will try and give you silly offers for the van thinking about the cat D! even though the work has been done properly, selling vehicles is horrible mate