one stop directory for all new executive condominiums (ec) launches with available units in singapore (t.o.p 2015/2016). please call developer sales team @ 8383 7839 to get project information and selling price for ec : the arc @ tampines, waterbay, topiary, one canberra, watercolours, twin fountains and forestville. the 40k + 40k cpf housing grant can apply for eligible first-timer family to buy a ec flat from the developer.