[slap bash]

That`s what happen when you live without enough sunshine. We are not a friendly bunch us Brits. Too much stiff upper lip

[Smurf]

I find its usually newbie wfp guys who don't acknowledge you

Their probably frightened to death to speak to you. lol

[Johnny B]

It's similar here in Ireland. I am a cheery sort when working, so am usually smiling. I've tried saying 'hi' to other window cleaners in my locality. Not one of them ever responds!

John.