Off-mains drainage for commercial sites, estates and larger projects
From individual business premises to multi-property estates and complex rural sites, WES provides specialist advice, design and complete project delivery for off-mains drainage.
One specialist partner for the whole project
Larger sites often involve more than choosing a treatment plant. Capacity, ground conditions, access, discharge options, phasing and future maintenance all need to work together.
WES can get involved at the stage you need us – from an initial survey or feasibility discussion through design, specification, installation and project management.
Estates & landowners
Practical off-mains drainage solutions for country estates, farms, groups of properties and rural sites where systems may serve multiple buildings or need to work around existing land use.
Businesses & visitor sites
Systems designed around how the site actually operates – from offices and hospitality to schools, cafés, visitor facilities and other commercial premises without a mains sewer connection.
Developers & multi-property sites
Early specialist input for new developments, conversions and shared systems, helping establish the right capacity, layout and discharge strategy before works progress.
Complex sites need site-specific thinking
There is no standard commercial off-mains solution. The right approach depends on how much wastewater the site produces, how use varies through the day or year, what the ground will support and where treated effluent can discharge.
WES assesses those constraints together rather than treating the system as a standalone product. Where required, we can provide site surveys, soil testing, bespoke consultancy and technical specification before the installation is planned.
From assessment to handover
01 Assess & understand
We establish the site requirements, existing infrastructure, constraints and expected demand.
02 Design & specify
We develop the appropriate system, capacity, discharge arrangement and technical specification.
03 Plan & deliver
WES coordinates the practical works, specialist equipment and installation, with project management and on-site supervision where required.
04 Commission & hand over
We complete and commission the system, provide a clear handover and make sure the route for ongoing servicing is understood.
Built for demanding sites
WES works on projects ranging from individual commercial facilities to substantial installations requiring heavy plant, ground support and careful coordination. Recent work has included a 30,000-litre commercial cesspool installation near Newbury and a new sewage treatment plant for a commercial facility near Chichester.
Whatever the scale, the approach is the same: understand the site properly, plan the work carefully and deliver a solution that is practical, compliant and appropriate for the way the site is used.
And once it’s installed?
Ongoing servicing, inspections, repairs and maintenance can be handled by EnviroServ, the aftercare arm of Ward Environmental Services. That gives commercial and estate clients a clear route from initial consultancy through installation and into long-term system care.
Planning a commercial or estate drainage project?
Tell us about the site, what you’re trying to achieve and anything you already know about the existing or proposed drainage. We’ll help you establish the right next step.