|At 1 April 2015||8.6|
|Currency translation differences||0.3|
|At 31 March 2016||8.7|
|Currency translation differences||1.2|
|At 31 March 2017||9.0|
During the year, the group reduced its investment in Muharraq Holding Company 1 Limited through a £0.9 million (2016: £0.2 million) repayment of a shareholder loan.
At 31 March 2017, the group's investments mainly comprised its investment in Muharraq Holding Company 1 Limited. These investments are held at fair value.
At 31 March 2017, the company's investments related solely to its investments in United Utilities PLC, which was recorded at cost of £6,326.8 million (2016: £6,326.8 million).