Owning your own home

He's calling the other people who viewed it and is telling them that an offer has been made.

I can hear him now: "Yes, an offer has been made and the vendor is considering it. Obviously I can't tell you what it is but it is a good offer..."

I genuinely (and probably naively) believe they are using our offer to back their offer. Mainly because I don't think they are clever enough to add another layer of subterfuge to the situation and that I know how desperate the vendor is to move (mobility issues in a split level flat, not that they can't stand the place).