Imposing a cap on personal damages payable in compensation cases could be subject to constitutional challenges, the Law Reform Commission has warned.

Despite recent research from the CSO indicating that the cost of motor insurance has dropped by 12.8% in the past year, many motorists are seeing premiums rise at the time of renewal, according to AA Ireland.

Investigations and prosecutions are too infrequent to act as a deterrent against fraudulent behaviour, Justice and Equality Minister Charlie Flanagan has said.

More than 11,500 complaints were made to motor insurers in the second half of 2016, according to the latest Central Bank consumer protection bulletin. More than half of the complaints related to pricing.