British water regulator Ofwat said it would investigate Thames Water over delays to hundreds of environmental improvements to determine whether the struggling utility had breached its obligations which could result in fines.

UK water regulator Ofwat has launched an investigation into Thames Water, after the company admitted that more than 100 of its environmental improvement schemes were running behind schedule.

The move is likely to spark further controversy among politicians and consumer groups given Thames’s upcoming bill increases.

British water regulator Ofwat said it would investigate Thames Water over delays to hundreds of environmental improvements to determine whether the struggling utility had breached its obligations which could result in fines.

Ofwat has launched an investigation into Thames Water, after the crisis-struck utility said over a 100 planned environmental protection schemes would not be completed on time.

Thames Water is under investigation by Ofwat after the company admitted it will not complete more than 100 environmental schemes funded by customers. The regulator will look into whether delays to the plans mean England's largest water firm has breached its licence.

Thames Water is under investigation by water regulator Ofwat over whether the delayed delivery of environmental protection schemes means the company has breached its obligations.