Building and Developing
Multiple domestic or commercial properties
You should be aware that from 1st April, the water retail market for business customers is changing, customers have the freedom to choose who provides their retail services such as billing.
Where the property to be connected is for a non-household customer, you will need to choose a retailer before connection. If you do not choose a retailer, then one will be allocated. Show Homes, temporary building supplies and site welfare facilities are eligible to switch between retailers, although these connections are temporary, they still need a retailer. For more information on the changes and advice on how to choose a retailer, please visit Open Water
If the site has not reached the planning approval stage or you, or your chosen Self Lay Provider (SLP), just want to know if the proposed development site can be supplied with water, sewerage or both, you can send us a developer enquiry before making a full application.
Most new development sites that are having a new road constructed will need a new water main, which we'll then connect to our existing network. The new main will serve the site and each property, or commercial premise, will then be connected to the new main via their own individual service pipe.
Remember, you have a choice on who designs, constructs and installs the new water main and services. STW can do this for you, or you can use an accredited Self Lay Provider (SLP). View more about the self lay option.
Most new development sites that are having a new road constructed will require the proposed sewers to be adopted by us. Unlike water we do not carry out sewer construction on new development sites.
These sewers that will serve the new development will need to be designed by the developer, approved by us and then constructed by the developer. We will enter into a legal agreement with you to adopt these sewers provided they are designed to current industry standards.
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Call us: 0800 707 6600