i never rest on the gutter if possible always try to postion your ladder so that there is no window below just incase the ladder slips if the ladder does slip your will only scrap the brick work
heres me giving advice when ive just broken a window yesterday morning,felt completley stupid it was very windy thats why i advise on two people working in the bad months,not to worry ive a friend whose a glazer,and i went back today to finish cleaning the gutter £25/and i had the cheek to give him a quote for painting,so trying to recover my lose.