(13 Oct 2020, 4:39 pm)busmanT wrote I suspect that it's all complicated by MOT extensions granted due to COVID-19 - it was due an MOT in May, extended for 3 months - perhaps they think it's 6 months (or even 12 months), or DVSA could be wrong, given the circumstances.
https://www.gov.uk/mot-for-hgv-buses-and-trailers
https://www.gov.uk/mot-for-hgv-buses-and-trailers
My car's MOT was extended, in the same way in which buses have had their MOTs extended, and their website has been updated to reflect my new expiry date (next month).