From: http://www.direct.gov.uk/en/Motoring...le/DG_10014199

[QOUTE]Where there is evidence that two vehicles have been welded together to form one (ie 'cut and shut') a 'Q' mark will be allocated. ESVA, SVA or MSVA will be required.[/QOUTE]

Also notice this for those whove been reshelling with 2nd hand shells: From:http://www.direct.gov.uk/en/Motoring...le/DG_10014246

[QOUTE]If a second-hand chassis or monocoque bodyshell is used, the vehicle must pass a an enhanced single vehicle approval (ESVA) or single vehicle approval (SVA) test after which a "Q" prefix registration number will be allocated.[/QOUTE]