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Any instant teleport item like 'Runestone' will work as long as the inventory is open and there is no npcs at the destination. I cleaned all the banks in the game this way.

https://www.lonebullet.com/mods/download-runestone-morrowind-teleporter-elder-scrolls-iii-morrowind-mod-free-44253.htm

Heather Cottage v2.0
http://mw.modhistory.com/download-44-10330

also 'NPC Command v8' allowed me to empty all rooms before I cleaned it out.