I wouldn't risk it, will be extremly heavy. Wait till you've moved. I dont think I'd even have a 400L upstairs.

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8' x 2' x 2' - Marine Reef.
6' x 2' x 18" - Wild Caught Zaire 'Moba' Frontosa
4' x 2' x 20" - Malawi
4' x 22" x 18" - Malawi + Victoria
4' x 18" x 18" - Breeding Cuban Cichlids.
Trigon 190 - Male Paratilapia Polleni
20" x 20" x 20" - Marine
30" x 1' x 1' - Hospital Tank
2' x 1' x 1' - Tropical

and

7x - 1' and 2' cichlid fry tanks