House prices could be set to fall again and it may be a good opportunity for first-home buyers, the head of one of New Zealand's largest mortgage broking firms says. Economist Tony Alexander's latest surveys of real estate agents shows 44% say they feel prices are currently falling in the area they work in. That was the worst result since 2022. The agents reported the top three concerns of buyers were rising interest rates, employment and then falling house prices. A net 51% of agents said fewer people were attending open homes, which was also the worst reading since early 2022. Agents said they were also receiving fewer requests for appraisals from people thinking about listing their properties. Squirrel mortgage brokers chief executive David Cunningham said he expected prices would fall in coming months because of low consumer confidence, decent levels of new building and low immigration. "Days to sell have blown out, there's loads of stock on the market, and rents are falling.…