Not sure why this thread has gone off the rails again, the answer was established a long way back. Basically, if you’re a type approved converter (effectively the de facto manufacturer), you can register the vehicle as a Motor Caravan as a first registration. If your van was first registered as a panel van, kombi, MPV, combine harvester or anything else, and you then convert it, whether by an established converter or you do it yourself, the current DVLA policy is not to allow you to change it to Motor Caravan. If it really bothers you, write to DVLA to complain if it makes you feel better, but you won’t get anywhere. There was even someone further back that implied they had influence at a high level, but nothing happened.
Insurers don’t care any more and if it’s the speed limit on dual carriageways that’s your issue, then see the other thread for the answer.
@Raul a/3 I don’t know who’s given you your information, but it’s wrong in every respect!
An increasing number of type approved Motorcaravan converters are using bonded windows, there is no law whatsoever that prevents them being used. Similarly, the vast majority of them use smoked (or even darker) windows in the back, again there is no law to prevent them. Finally, there is no requirement to have a minimum of 2 windows on the same side.
Here’s my Westfalia Ducato, registered as a Motor Caravan, with its dark tinted windows, along with my previous Motor Caravan registered Westfalia T6, with 1 dark tinted window per side.