Yes seems high to me as well. But... for about $65k (all in) you can get a brand new kit that doesn't run (yet), AND it'll take you about a year and a half... to get to your garage.
¯\_(ツ)_/¯
(Not being snarky, at all, just pointing out the intricacies of NEW KIT CKD Caterham market at the moment.)
My qualifications to remark on the market: I've been waiting almost a year, happily. And the car I've specced will come in well above $65k... But if my wife asks it's just $1,200, plus shipping. Lol.