One of the country's biggest residential real estate companies is forecasting a 6.8 per cent increase in Toronto area housing prices next year with starter homes ? particularly condos ? expected to be in high demand again.Royal LePage says the average aggregate price in the region ? condos to single-family, detached houses ? will be $901,392, compared to $844,000, its 2017 year-end estimate.That is the highest increase forecast among nine...