New builds and renovations
Welcome to Affinity Water’s homebuilder page!
We’re here to help connect you, save water, and keep your bills down when building a new home, completing renovations, or extending your property. Each new build property is required to have its own metered water supply. We do this by connecting a standard 25mm service to our existing water main, ensuring a minimum flow of up to 9 litres per minute at 1 bar of pressure at the boundary stop tap. The existing mains we connect onto are likely to be beneath the road or footpath in urban areas, but may be further away in more rural locations requiring a longer pipe.
You might need a new or replacement water supply when:
- Building a new property on an empty piece of land
- Replacing an old property with a new one
- Upgrading aging pipes, if pipes are made of lead please check out Affinity Water Lead Pipe Replacement Programme
- Increasing water needs - requiring a bigger connection
- Changing the water pipe route from the road to your property
- Separating a shared water supply
- Dividing a single property into multiple units
Before finding out about how to get a new supply for your property, just check you’re in the right place. To see if you’re an Affinity Water customer, you can use the Find Your Supplier tool provided by Water UK. Simply enter your postcode to find out your water and wastewater provider. Find Your Supplier | Water UK
New Connections Customer Journey
Estimate My Costs
If you are looking to get an estimated budget of your whole project, use our New Connections Budget Estimator to calculate an overall budget without the need to apply. If you prefer, you can submit a free video application to visually document the site and planned works. Use the link below to record and submit your video and we will produce a desktop estimate.
When you send us an application, a small fee covers the comprehensive work involved in producing a formal quote. This includes any necessary modelling, surveys, and meetings with Highway Authorities if needed, as well as the time our teams spend gathering information and compiling costs. Application fees vary by type. Please use our Estimate your application fee tool to obtain a cost to apply. Please note that this fee is required before we can accept a scheme for quotation, regardless of whether a site survey is conducted.
How to get your water flowing
You have got your cost estimate, and you are ready to make it official! Follow our step-by-step guides to complete your application and connect your property. Consider water efficiency for discounts and understand if you need a fire supply. For non-household (business) properties, choose the best retailer and consider using an approved plumber to save more.
Your Easy Guide to Getting Your Water Connection
Get the lowdown on your water connection with our easy-to-follow guide. Check out our '5 Steps to Connection' document for a quick and breezy walkthrough!
Step 1: Application
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- To apply for a new or replacement water supply, please register and log in to our online portal and complete the ‘New water connection(s) including TBS (Temporary Building Supply)’ application form. We will confirm we have everything needed to answer your enquiry within 5 calendar days of receiving your application.
- Alternatively, you can submit a free video application which will allow our Application Cost Engineers to provide a more robust desktop estimate.
- You will need to pay your application fee, which is £208.80 (including 20% VAT) for the first connection and £75.60 (including 20% VAT) for each subsequent connection for 2024-25.
- For further information, please click here.
Please note: If the new connection is for Non-Household premises, a Retailer must be selected by the Developer. View a list of current Retailers.
Step 3: Payment
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- Once you receive the Cost Advice, you will be presented with two options:
- Option A – Affinity Water to complete the construction work in the public highway, or
- Option B - Customer appoints Self-Lay Provider to complete the construction work in the public highway. This option will incur some charges to Affinity Water.
- Once you have decided which option to take you will need to accept the Cost Advice on the Development Experience Portal and proceed with the payment to move forward with the connection process. Please visit the ‘cost advice acceptance & my payments' sections of our online customer portal.
Use our New Connections Budget Estimator calculator to get approximate costs.
Find out more about your costs here
Step 4: Laying your pipework
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When you have laid your pipe to your property boundary and are ready for your connection, please visit the “request for work” section of our online customer portal.
- As part of this process, you will need to send us photographs of your installation. Details of our requirements can be found here.
- Alternatively, you can submit your RFW using new video tool. Your scheme owner will discuss this option with you during your introduction call.
- For further information, please click here.
Please Note: Services greater than 50mm in outer diameter require disinfection before they can be connected. Please see our “Disinfection of Services” leaflet for more information.
Step 5: Completing the connection
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After your pipework has been laid, we will complete the connection to ensure your property has a reliable water supply.
- Our site agents may visit the area before their installation team arrives (you do not have to be present).
- On the scheduled day our installation team will arrive to start the work. Please confirm you're ready for connection.
- Our installation team will complete the installation of our new pipework and connect to yours. They will install the new meters and are required to prove the supply and confirm the postal address. When everything is installed the team will leave site
- If any reinstatement is required this will be completed no more than 3 working days after the installation work
- For further information, please click here
Please Note: For Non-Household connections the Wholesaler shall notify the Market Operator within 5 Business Days of the connection having been made, in accordance with the Market Terms. You will be billed for the water used by your Retailer. Any changes to the ownership or responsibility for payment of water charges should be directed to your chosen Retailer. You are also able to switch your provider of Retail services.