The UK commercial property insurance market will "continue to thrive" in 2006, according to Zurich.
Commercial property experts predicted it will be another bumper year for property investment in 2006 as rents continue to rise.
Property consultant CB Richard Ellis said £43.7bn of commercial properties had changed hands at the end of November 2005.
Richard Elliot, Zurich's head of property investors, warned that rising reinsurance rates would be the biggest threat to the property investors insurance market in 2006. "There is a potential for an increase in reinsurance costs which could affect rates," he said.
He added: "Property investors insurance is still quite an attractive product for insurers who see it as highly profitable and low risk."
'The FSA has ruled out an investigation into claims that property managing agents are inflating tenants' premiums.
The regulator concluded that investigations into the allegations had failed to uncover evidence of the practice. Any further investigations, it said, "would not be appropriate".