Grels Grave secret room? [solved]

[stn]

http://imgur.com/a/QnzSG

So is there any way to get in there? There is a soul gem and a gold ingot, at very least.

[Glycerin]

Getting in there isn't much of a problem, you can squeeze yourself through the grid. Unfortunately there is no way out of there but using tlc. I had the feeling it was meant as some sort of trap for greedy adventurers, but likely it is just an oversight by the level-designer. Perhaps using the telekinesis spell would be a good idea.