I'm pleased to know that you are alright. It must have shaken you up a bit.
I am trad, and I am sure this thread will bring out all the wfp guys who will repeat the old chestnut that tradding is dangerous and the only safe way is wfp.
Yes, they are right, in that using ladders carries its risks, but as long as we are fully aware of those risks, we have a healthy respect for them, and use the correct ladders in the correct way, we will be safe enough.
Was the metal fixing sucured properly into the wall, or did the wall crumble, causing the fixing to come away when you held on to it? What actually happened here?
Either way, if it happened to me I would tell the customer what happened, and discuss what you will be doing next time that window is due for cleaning.
John.