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Rear seat conversion - changing vehicle classification.
Posted: Mon Mar 09, 2026 1:37 pm
by veedubgub
Has anyone on here who's had a rear seat conversion done been able to successfully get the log book updated so the vehicle is classed as an mpv with w
Vehicle classification m1.
If so was the process difficult and did it change the taxation class?
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Re: Rear seat conversion - changing vehicle classification.
Posted: Mon Mar 09, 2026 3:29 pm
by STP
As far as I know, no one has ever managed it. The Caddy is a van from the start, it was never a car-derived van and is LGV class since fully laden it is over 2 tonnes. It's a pure commercial vehicle in all respects.
Some people early on had a full fixed camper conversion reclassified as a camper of course, but seats and windows themselves are not enough for a change of taxation class.
Re: Rear seat conversion - changing vehicle classification.
Posted: Mon Mar 09, 2026 5:25 pm
by veedubgub
Thanks for the reply
I've seen a couple of life's that are registered as M1 but I guess that's how the get registered when they leave the factory.
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Re: Rear seat conversion - changing vehicle classification.
Posted: Mon Mar 09, 2026 6:13 pm
by STP
Yeah Caddy life will be registered as a car from the start.
Re: Rear seat conversion - changing vehicle classification.
Posted: Fri Mar 13, 2026 6:51 am
by petrev
Re: Rear seat conversion - changing vehicle classification.
Posted: Fri Apr 10, 2026 11:15 pm
by BenT
I've no idea how it came to be, but I bought a 2007 ex-BG Caddy last year and it's recorded as a car-derived van on the V5C. Just a bog standard van with no rear seats. It's the SDI version that would struggle to pull a helium balloon, so maybe the GVW's under the two-tonne limit

Re: Rear seat conversion - changing vehicle classification.
Posted: Sat Apr 11, 2026 1:14 am
by STP
I'm sure the 06/07 was the last year they allowed the "car derived van" before the excise category became fixed at LGV for all Caddys and also Berlingo too. Tax also cheaper.
Re: Rear seat conversion - changing vehicle classification.
Posted: Thu May 14, 2026 6:47 am
by Azzi
My 05 Caddy is down as "Car Derived Van". On the V5.
That's the reason I bought it as the early ones are not restricted speed wise on dual carriage ways etc ...
I'm about to do a seat conversion, so i'll.update if it allows me to change the class with DVLA
Re: Rear seat conversion - changing vehicle classification.
Posted: Thu May 14, 2026 7:06 am
by petrev