It varies from area to area, Northampton wanted an MOT & SVA before booking.
They'll come and check the items used to build the car, if you can prove
significant parts come from a donor you can keep an age related plate. If not
then you'll get a 'Q' plate.
So with my MAC in hand plus an MOT I applied for another inspection from the local Vehicle Inspectorate.
Forms posted 22nd March.
Watch this space for updates.