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?

Don't you know how to search?
https://www.google.com/search?q=insu...hrome&ie=UTF-8