3 coowners in holiday house. One wishes to be bought out or go to public sale. An independent valuation agreed to by all parties was sought. An offer by the other 2 owners of 1/3 or the valuation price was made. Owner wishing to sell will not accept this. Thinks the property is worth $100,000 more. Wants this amount added to the market price and then paid out. Has given one week for others to decide otherwise will go to VCAT to force a sale. Is this possible