Under no circumstances should the keeper ever, ever, ever communicate with the debt collectors. The are unable to do anything and are not a party to the contract the driver is alleged to have breached. Their sole purpose is to try and scare the low-hanging fruit on the gullible tree into paying the now inflated amount out of ignorance.
The fee has been increased by adding on a fake debt recovery fee of £70. If this ever went to court and the claim was not successfully defended, the amount awarded is never as much as originally claimed as the fake add ins are not allowed in a “small claim”. There is no risk of a CCJ because, in the unlikely event of losing the claim, as long as the judgment amount is paid within 28 days, there is no record of it on the credit file. It is completely expunged.
That is a worst case scenario. The most likely scenario, if it ever goes as far as a claim in the small claims track of the county court is that the claimant will discontinue once they realise that the defendant is willing to take it all the way. Their modus operandi is to try and scare the defendant into paying and once they realise that they haave to pay the trial fee, they move on to lower-hanging fruit.
So, for now, as advised, weather the useless debt collector letters. They really have no powers to do anything. Come back if/when an LoC is received. A real LoC will give 30:days to pay or respond. Anything giving only 14 days to pay is not an LoC and can be ignored.
For future reference, if a PCN is received by the keeper, never, ever reveal the identity of the driver unless advised otherwise. Always appeal as the keeper. There is no legal obligation for the keeper to identify the driver.