United Utilities supplies water across the North West of England, and gives its customers free water-saving devices through the GetWaterFit tool on its own site.

Enter your postcode, answer a few questions about how your household uses water, and you can then, in their words, “order some free water saving goodies, recommended just for you” – typically shower savers, tap inserts and toilet cistern devices.

Restricted to the United Utilities supply area (the North West). Completing the suggested easy wins also earns virtual coins that the company donates to charity.