Ofwat has updated its Environmental Incentives Common Framework - new connection rules will apply in England with effect from April 2027.

Published under the Charging Rules for New Connections Services (English Undertakers), the update sets out the high-level principles and processes for all water companies and developer customers to follow with respect to environmental incentives.
Ofwat said the change would provide developer customers with some commonality across water companies, while allowing water companies to retain flexibility and ownership of their charges and environmental incentives.
The update sets out amendments to clarify that water companies must allow developers to use flow limiters – defined as devices such as flow regulators or flow restrictors which reduce the flow of water through a pipe or fitting, whether installed in-line, integrated into a water fitting, or retrofitted onto a compatible water fitting.
Each water company must offer at least one Environmental Incentive for water efficiency, measured using methodology which represents the minimum level of efficiency required for compliance, which means companies are able to require more ambitious levels if they decide it would be appropriate to do so.
From April 2027 water companies must allow developer customers to use flow limiters in order to help them achieve the levels of efficiency set out in the methodology.
Click here to access the updated Connection Rules document.
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