BusinessRussell Lynch: Developers are missing out on the City property bonanzaDemand: Japanese and Iranian investors are interested in London propertyToby Melville/ReutersRussell Lynch18 February 2016It may have been tin hats on in the financial markets in 2016, but there are few sweating brows on London’s commercial property scene.City investment agents are rushed off their feet. After a minor blip last autumn, when sellers got too greedy and the odd deal fell through, there are buyers scouring the Square Mile and the West End, but there are few bargains.The industry chatter is that Japanese buyers are looking around buildings as the nation’s huge $65 billion (£45 billion) Government Pension Investment Fund plots a push into property, following a wave of Chinese money.The Iranians are also sniffing around on the London scene, hunting for a safe home for the oil cash coming in since sanctions were lifted last year.And why wouldn’t they? When interest rates are zero or even negative, a City office yield of around 4%, or even the 3% on offer from West End property, looks handy.Read MoreHow Industry became an allegory for late capitalism in LondonCulpeper pub boss: Rates system is not fit for purpose — and not fairHow one east London couple's dream home renovation ended up £200k over budgetSponsoredIs coffee the future of socialising? This stylish spot thinks soVoices on the ground suggest buyers aren’t even deterred by the Brexit vote.But if commercial property is flying, the same can’t be said for property company share prices, which have been murdered. Great Portland Estates and Covent Garden and Earls Court developer Capital & Counties are down 20% this year.Enough to tempt one of the big US property funds like Vornado or Simons to do a bit of shopping? Watch this space.MORE ABOUTPropertyThe City