Maybe DPF failure is Toyota's real reason for ending production of diesels?
With Ken's luck the battery would probably explode ifn he bought a hybrid. I guess the conundrum is that his motor is wort €10k scrap against an EV and probably will be for a few years yet regardless of condition.
Would removing it be an option with a mind to having it cleaned and replaced if it fails the NCT? I know lads with the old petrol Avensis who used to get CATs fitted just for the test, a lad in Donabate sorted them out. Maybe a similar policy for the DPF i.e. fit for test, take out next day?