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Charging Arrangements for 2018/19

New charging rules for new connections to the water and wastewater network come into effect on 1 April 2018. The new rules require water companies to change how they have previously charged for new connections services and these new charges for 2018/19 are laid out in our New Connections and Developer Services Charging Arrangements

Developer Services Charging Arrangements 

This document is applicable to Self-Lay Providers (SLPs), New Appointees (NAVs) and Developers/Builders.

Board Assurance Statement 

The South West Water Board of Directors publishes this Board Assurance Statement confirming that South West Water's 2018/19 New Connections and Developer Services Charging Arrangements are compliant with its legal obligations and consistent with Ofwat's Charging Rules for New Connections Services (English Undertakers)

- Board Assurance Statement


The Water Act 2014 has brought in changes that mean that all water companies are being asked to modify the way they charge customers for Developer Services related activities from April 2018.

Ofwat, the economic regulator, has published new rules that mean that in future water companies will provide more fixed charges rather than bespoke prices on request. Ofwat’s rules follow the overarching principles of:

  • Stability and predictability
  • Transparency and customer-focused charging
  • Fairness and affordability, and
  • Environmental protection.

From 2017/18 the way that we charge for Developer Services related activities will change and over the coming months South West Water will consult its customers on its proposals for future charging.

We continue to update our website to keep our customers advised but if you would like to know more further details can be found on the following links:

As part of this we are asking customers that use our new development services for their opinions in advance of publishing our new charging arrangements for new year. We are embarking on a consultation process that will enable you to shape the way we charge you in the future.

Your views are important to us. We are keen to hear what your preferences are, therefore please click here to read the consultation document and have your say: New connections charging consultation.


Each quotation is calculated individually based on the information provided in your application, the location of our existing water network and the work involved.

Your charges will be shown on your quotation. They will consist of:

  • relevant new connections charges
  • plus the water infrastructure charge (if applicable)
  • less the design charge (if applicable)
New Connections Charges


Infrastructure charges

Infrastructure charges apply to premises being connected to water and sewerage services for domestic purposes for the first time. These were introduced under Section 146 of the Water Industry Act 1991 so that water (and sewerage) companies can improve their water networks to meet the extra demand that new connections place on them.

For more information, please see Infrastructure Charges

The current standard infrastructure charge can be found in the New Connections Charges.



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