@Speakuptomakeyourselfheard
Arblemarch, yes, it is possible to live downstairs, but would you want to pay more for half a house that you can't use? A lot of younger people complain that there isn't enough housing stock, but if there were more bungalows for the elderly and disabled to live in, it would free up larger homes for families. Plus, I don't want to sleep in my living room, I want a living room, a dining room, and two bedrooms on the ground floor, how many houses can provide that, unless they're mega expensive?
I do understand not wanting to pay for wasted space, but most converted bungalows have a couple of bedrooms and possibly an en-suite upstairs - so, for someone living on the ground floor, that could be accommodation for able-bodied visitors - e.g. grandchildren; and/or storage of the sort of things that might normally be kept in the attic, things you don't routinely use but want to keep such as heirlooms.
if there were more bungalows for the elderly and disabled to live in, it would free up larger homes for families
If they were specially built, adding to the housing stock, yes, that would be brilliant. If, though, you only have X number of bungalows, converting them won't increase or decrease the overall housing stock, it will just change who it's potentially suitable for - it wouldn't free up houses for families as they'd be occupied instead by people living on one floor.
The real problem is lack of housing stock, due in part to excessive investment properties/2nd homes sitting empty - not due to people converting bungalows.