CEL Development is launching the remaining units of its Oasis @ Elias condominium at Pasir Ris on Saturday. Half of the 142 units previewed have been sold, at an average price of S$670 per square foot. The units that have been sold included six of nine penthouses in the property. Marketing agent CB Richard Ellis said HDB upgraders made up 80 per cent of the buyers. The strong take-up rate reflects the...