On 20/04/2021 19:02, GB wrote:
My son has an old banger sitting on the driveway. He wants to insure it,
take it for an mot, then stick it back on the driveway and cancel the
insurance.

There'd be a cancellation charge, but it's cheaper than a temporary policy.

Any thoughts? Will they blacklist him?

Plenty of garages will pick up a car to take for an MOT. The bloke I
use sends his lad round and charges £55 for an MOT with pick up and
return, and he's about five miles away.

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Cheers
Clive