Can the existing water mains system cope with new housing?

The UK is currently experiencing a nationwide surge in housing development. Coupled with changes in the way new houses are designed, plus an increase in the average number of showers and bathrooms, and we could be creating a blueprint for a water infrastructure crisis. Here’s how demand could be building to outstrip supply.

More development, more system stress

The UK government has set an ambitious overall target of 1.5 million new homes to be built over this Parliament. These new home targets require up to 370,000 new homes to be built per year in the UK, and this development is happening at pace. Accelerated by streamlined planning and mandatory targets for local councils, a major housebuilding boom is currently underway across the UK. In fact, recent data from the ONS* shows that in the last part of 2025, 37,300 homes began construction and 36,720 homes were finished. Good news for the housing market, but potentially problematic for a water system that often struggles to meet existing demand – particularly in densely-populated areas like the south west of England.

Increased rural requirement

New government planning rules have also accelerated housing targets for rural councils, with some rural areas facing a 56% increase in, or seven times the rate of, new housing development compared to major cities.** These new developments are often in locations that rely on antiquated local mains systems never designed to serve 1000s of water-thirsty homes.

Higher homes, lower pressure

Changing trends in house design also place extra strain on the water pressure within the house itself. Space-efficient three-storey new homes often feature a bathroom on the top floor, which a sub-pressure water supply would struggle to reach.
Further demand from bathrooms and toilets
Modern homes have more rooms for washing and carrying out other human necessities than ever before. For example, the average UK 3-bed home now features two bathrooms, with many homeowners also adding en-suites with showers and toilets.

Talk to Stuart Turner about boosting water pressure. Call us on 0800 31 969 80 and our pump specialists can help guide you.

 

*2025 ONS
**2024 County Councils Network