I buy the original E cloth from Lakeland - and sorryAnno but I do not find the Dunelm ones, although good, not as good as the actual E cloths - not so thick.
The window cleaner washing cloth I have is sort of waffle and is good at cleaning the window and the thin cloth for the polishing afterwards. Starting off I would suggest you get the original set which is a teal coloured thick cloth and a thin blue one. I still use these for the shower and also at times the windows in the bathroom.
I have a microfibre pad thing on an adjustable handle which I wipe the tiles down each time in the shower and can reach the ceiling height ones and rarely if ever have a big cleaning job - do most of my bathroom cleaning in the nude!!!