Black and white warblers?

Hi. I suspect they may be Long-tailed Tits. I've no photos but perhaps someone else will post one here for you to see.

Long Tailed Tit

From description could also be pied wagtail, but I've not often seen them not on the ground

And they're summer visitors. Encountering them in late October would be pretty unusual.

I live near coast in southwest Scotland, & as I’m disabled spend lot of time sitting outside to get fresh air. Last week, when sitting reading, heard furious chirping of what I assume were chicks. Suddenly, one landed on my head where it sat for at least a minute, while its fellow chick sat on high wall opposite me, as they chirped away to each other. I eventually identified them as black & white warblers through lots of research. They definitely did not have the long tails of the long-tailed tits.
I’m extremely interested to hear that you think you spotted some too. I only saw them once, & unfortunately I can’t move quickly enough, or safely enough, to take photos.
I’ve joined & posted this because of this sighting. I’ve never seen anything similar.