Affinity Water, UK

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Ownership and management of water treatment and supply covering an area of 4,515 square kilometres.

Affinity Water Limited is the largest water-only company in the UK by revenue and population served and forms part of Affinity Water Group. 

Located in the South East of England, it has been supplying water for more than 130 years.  The company owns and manages the water assets and network in an area of approximately 4,515 square kilometres split over three regions, comprising eight separate water resource zones. 


In addition it operates 98 water treatments works.  Under the terms of the Water Industry Act (1991), Affinity Water Limited is regulated by Ofwat. 

Further information on the Affinity Water Group can be found at

HICL holds a 33.2% investment in the Affinity Water Group.