I reckon Torchwood would've A London, yes, but not the only one; I was living in a parallel version for years before returning to my original home. Our Merlin is actually a time-traveling alien, which I'm guessing yours is not.
I don't. My dad died when I was very young and my mum didn't find love again for a long while after, so Tony and I've got a weirdly big age gap between us. Have you got any brothers or sisters waiting back home for you?
I don't remember the 19th century being quite that good for everyone. It's probably a recent thing; taxes pay for doctor's visits as well in my time.
Do you have spells to stay warm? And to keep everyone and everything on the carpet?