Originally posted by WhamyKaBlamy:

You can make signs and a kind of lattice to keep your chests in, so you can put your signs above it.

On the left is how we do it. I know it's not bigger chests, but it makes life easier.
https://steamcommunity.com/sharedfiles/filedetails/?id=2520959350

Thanks - I am still quite new with Valheim and this is very helpful. Have made 14 chests and 14 signs so far... and I have still only beaten one boss. Guess my humble home will be like a chinese jewelry box when reaching end game