Did you mean?
I notice you are flying into Heathrow so where do you actually begin your journey to Australia? This makes the journey much longer. You really do not want to have to collect luggage and recheck it in at Heathrow so do make sure it is checked through if at all possible.Which airlines are you using? Are you booked on one ticket?
Well ask on VT they might have some suggestions where to stay
Do Emirates fly from Romania?...then Dubai to Melbourne...maybe they have some cheap flights.