Who we are

We are a regulated water and wastewater services provider, established to offer new development residents with water and sewerage services

Find out more about us

Water and wastewater for everyday life

We replace the water and sewerage incumbents on developments by working with Ofwat under the Water Industry Act 1991 (as amended).  Find out more about our licence and how we operate.

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Our Areas

Find out where our regional areas are and the services we provide our customers

Our Regulators

Find out about the strict
system of regulations within
the water industry

Latest News

Read the latest news on
our sites, our NAVs
and our services

The Water Market

Every day, over 50 million household and non-household consumers in England and Wales receive good quality water, sanitation and drainage services

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Serving homes and businesses

We work with developers and consultants across England and Wales, providing water and wastewater services on new domestic and commercial properties


Working for us is a unique, exciting challenge which will offer you something new each day


We publish a wide range of customer literature covering a host of different subjects

Property Services

Place a property or CON29DW enquiry

Finding Icosa

Visiting our offices? Click below to find how to locate both our Swindon and Cardiff Offices.

Our offices

Get in touch

We're here to help

0330 111 0780
Monday to Friday 8.30am to 5.30pm

Latest News

Find out what we've been doing

Read our latest news