Southern Water partners with Benchmark Estimating to optimise capital programme delivery

Southern Water has partnered with Benchmark Estimating to support the delivery of its AMP8 capital works programme. Serving over 4.6 million people across the South East, the utility is investing in smarter, more sustainable infrastructure and using digital tools to help optimise value in the execution of its capital programme.
We’re proud to welcome Southern Water as the latest UK water authority to adopt Benchmark Estimating Software to support the execution of its long-term capital investment programme.
Serving more than 4.6 million people across East and West Sussex, Kent, Hampshire, and the Isle of Wight, Southern Water is taking bold steps to meet the region’s growing challenges, from climate change and aging infrastructure to future water security and environmental performance.
Planning for a resilient water future
Between 2025–2030, Southern Water is committing to significant investment to:
- Upgrade environmental outcomes across rivers, coastlines, and catchments
- Improve environmental outcomes across rivers, coastlines, and catchments
- Strengthen drought resilience and regional supply capacity
- Deliver smarter, more transparent capital projects
By integrating Benchmark Estimating, Southern Water is using digital tools to support cost-effective delivery of its capital programme. Helping ensure it delivers long-term value to customers and the environment.
A growing network of water sector leaders
Southern Water joins a growing community of UK water authorities working with Benchmark to digitise cost estimation and capital planning at scale.
“We’re excited to support Southern Water as they take bold steps toward a more resilient and sustainable future,” said Jared Smith, Head of Growth atBenchmark Estimating. “With Benchmark, they’ll have the tools to estimate smarter, scale faster, and deliver better outcomes for communities and the environment.”