‘Buyers will find it tough to find something’ – Property expert on the 10pc house price jump forecast in next 18 months ‘Buyers will find it tough to find something’ – Property expert on the 10pc house price jump forecast in next 18 months ‘Buyers will find it tough to find something’ – Property expert on the 10pc house price jump forecast in next 18 months Economist at Trinity College, Ronan Lyons, predicts that house prices will continue to rise between 5pc and 10pc over the next 18 months.