Certainly the houses in nearby Malvern Street bear the characteristic hallmark of the two front doors side-by-side.
...and a search on a property site like Zoopla confirms they are indeed flats
I am sure I've found a relative living on Florence Street, but I've been away from my family history for quite a while so I'll need to do some digging to confirm what I found. I'll come back and post again when I've had a chance to look it up
