Only thing that concerns me is how heavy footed my wife might be on the way to work (steep uphill) especially in winter (engine will be running for heat). It will be a hassle charging after every journey (no outside charge point), but I’d do it knowing the cost saving.
The engine provides heat at 1100rpm, the car still drives in EV.
Your wife will have to plant it, for the engine to come going up the hill.
A cheap outside socket is all you need for charging.