Estate agents admit four- and five-bedroom detached properties in Dublin are now only fetching 50pc of their 2007 prices. … This means upwardly-mobile couples who shelled out an average of €1m at the height of the boom years are now sitting in a house worth just €5 00,000….Things are much worse in Dublin for struggling homeowners who are seeing themselves plunged further into negative equity as prices have plummeted by half.