No £35 is laughable. But minimum wage has just risen almost 10% to £11.40 from April, by the time a window cleaner pays their expenses, they’re not making much more than that an hour. I think the rise from £12 to £15 of your current cleaner is justified and reasonable. We all support pay rises...
The £15 they’re now asking may be an hours work total. The actual clean takes 2 mins (probably exaggerating so more like 5) plus the 5 mins equipment out, 5 mins equipment in. That’s 15 minutes, leaving 45 minutes for however long it takes to get to you from previous job and however long it...