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If you have door frames, this will work: [link]
I have a hard time imagining a house poorly built enough to not withstand these, yet hold up a roof. Just don't swing, do them from a dead hang.
Have you considered a pull-up bar like this one? It doesn't take as much space as the ones that go over and around your doorframe so it's easier to fit almost anywhere, but it may be harder to secure it in place.
Have you looked at pull up bars like this one? I believe that any pull up variation will strengthen your lats at least a little, but you're correct that the narrow grip variants will primarily target your biceps. If you can't use any kind of pull up bar, I guess I would say keep doing what you're doing, plus the horizontal rows, and maybe look around your neighborhood for an outdoor gym with a suitable pull up bar.
If your house has doors, you can use that: [link]