I would be tempted to write back & tell the re to feel free to come over any time to sort, fold & put away washing! That is absolute bull****. If your house is not damaged, dirty or being misused then what business is it of theirs if you haven't caught up on the washing?? I currently have 3 clothes horses chock a block in my 2nd lounge room due to Mother Nature being non compliant, I would be slightly embarrassed if I had strangers come to the house but I wouldn't expect to be openly judged.

Sorry, rant over :/