It will still be legal to sell plug-in hybrids, so the "ban" is just political posturing anyways. E.g. Volvo has stated they will shift all their models to plug

It will still be legal to sell plug-in hybrids, so the "ban" is just political posturing anyways. E.g. Volvo has stated they will shift all their models to plug-in hybrids well before 2025, so you can still buy your big mainly-petrol XC90 in 20 years time. And by then, all of the perks you mention, like free parking, free ferries, driving in bus lanes, free road tax, they will all be gone even for electric cars. Jeremy Clarkson predicted this whole shitshow perfectly way back when he said he was going to start a car company that put 9V batteries in Hummers and sold them as hybrids. It's pretty infuriating from an environmental perspective though. On a constructive note, have you considered the new Mercedes or BMW plug-ins, like the C350e or the 530e? Realistically you'll get 30 km electric range on one charge, but for many that's enough (or close) for day-to-day driving. By 2025, that's probably doubled (or more). Then you just drive on petrol for your longer trips.