About Cascade
A water contractor, not a general builder
Thirty years on supply pipes, water mains and adoptable networks across London, the South East and the East of England. Accredited to work on drinking water, and structured so one team takes a job from survey to reinstatement.
Who we are
Water infrastructure is the whole business.
Cascade Water Services Ltd is a specialist water infrastructure contractor based in Hitchin, Hertfordshire, working across London and the surrounding counties. Supply pipes, water mains, leak detection, self-lay networks and utility ducting are not a sideline alongside general groundworks — they are the entire trade.
That matters more than it sounds. Work on drinking water sits under the Water Supply (Water Fittings) Regulations, and work on adoptable networks is gated by accreditation. We are LRQA WIRS-accredited to undertake eligible self-lay and contestable works within our accredited scope; WaterSafe and WIAPS cover work on potable systems. All three are independently assessed.
We self-deliver. Plant, operatives, traffic management and reinstatement are all in-house, so a job runs from the first survey to the last paving slab without a handover to somebody else halfway through. It is also why we can be honest about method: when moling is the wrong answer for a route, or a repair will do instead of a renewal, there is no second trade whose margin depends on the larger job.
The work runs from a single domestic supply pipe in a London street to site-wide self-lay schemes on live developments, delivered alongside water companies and NAV operators including Albion Water. Closer to home, we sponsor Stevenage Football Club.
How we work
Evidence first.
Then the excavator.
The expensive part of water work is the ground, not the pipe. Every stage below exists to make the dig smaller, the programme shorter and the sign-off first-time.
- 01
Enquiry & scoping
Tell us the property or site, the symptom or the scheme, and the timescale. Domestic supply pipe work is usually scoped over the phone; development schemes start with drawings.
- 02
Survey & diagnostics
We locate and trace what is already underground — acoustically for leaks, with pipe tracing and utility surveying before excavation — so the scope is based on evidence, not assumption.
- 03
Design & applications
For adoptable and developer work we design the network and prepare the self-lay, NAV or connection application, then manage the water company through it.
- 04
Installation
Trenchless moling where the ground allows, open-cut where it does not, and coordinated multi-utility routes where a site needs more than water. Plant, operatives and traffic management are ours.
- 05
Test & certify
Pressure testing, chlorination, sampling and certification, so the asset can be signed off, adopted or handed over without a second visit.
- 06
Reinstate & hand over
Tarmac, block paving, paths and landscaping put back properly, with as-built records issued. Ongoing maintenance support is available where you want it.
Accreditation
Pre-qualified before the tender lands.
Every scheme below is independently assessed. They cover eligible self-lay and contestable works within our WIRS-accredited scope, and let Cascade clear main contractor and utility pre-qualification without a paperwork exercise.
LRQA WIRS
Water Industry Registration Scheme — independently assessed. WIRS-accredited to undertake eligible self-lay and contestable works within our accredited scope.
WaterSafe
The UK register of approved plumbers and contractors qualified to work on drinking water systems.
WIAPS
Approved plumber scheme covering work carried out under the Water Supply (Water Fittings) Regulations.
Achilles UVDB Silver Plus
Verified supplier status on the utilities industry pre-qualification register.
Constructionline Gold
Gold membership of Constructionline, the construction industry’s pre-qualification register — widely required by main contractors and public sector buyers.
Achilles Network Member
Membership of the Achilles supply chain network used by utility and infrastructure buyers.
SafeContractor
Third-party assessment of health and safety management systems.
SMAS Worksafe
SSIP-recognised health and safety pre-qualification for contractors.
Acclaim
SSIP member scheme confirming health and safety competence.
EUSR
Energy & Utility Skills Register — operative competence recorded for utility site work.
CITB
Construction Industry Training Board recognised training standards.
City & Guilds
Recognised vocational qualifications held across the engineering team.
Work with us
Tell us about the site, the symptom or the scheme.
Domestic supply pipe work is usually scoped over the phone. Development and commercial schemes start with a look at your drawings.
Or reach us directly
Burst main or major leak? The freephone line is answered 24 hours a day.