On Wed, 06 Apr 2016 23:41:29 +0100, Jack Campin
wrote:

...and if not why not?

What other rearrangements of household furnishings have people
here been instructed by the management to carry out?

GLyN only jumped up there once, easily made it from the floor.
After looking around long enough for me to snap a picture, he
left it, and has never tried it again.

But usually, I have things like 2 liter bottles and boxes up there.