All Our Off-Mains Drainage Systems Explained
We thought it would be a good time to revisit a full list of all the off-mains drainage systems we offer here at Boxall Ward. Below is a list of the main services we offer for Sussex and beyond, along with a link from each if you’d like to find out a bit more about that particular service.
Off-Mains Drainage Specialists Sussex
Boxall Ward offer both installation and maintenance of all off-mains drainage solutions throughout the South East area of England.
We offer a bespoke service including scheduled service visits and emergency call out cover in the event of a problem. Additionally we are British Water Accredited Engineers and offer Extended manufacturers’ warranty on parts with a wide selection of parts in stock.
Read More about off-mains drainage…

Septic Tanks
Based in Sussex, we specialise in the design, installation and maintenance of septic tanks for Sussex and beyond – through Kent and Surrey and the south-east of England. We can install your septic tank, using our industry-leading expertise to make sure it’s done properly, and maintain it once it’s installed. We can advise you on how often it will need to be emptied, providing affordable value for money septic tank solutions.
Read more about Septic Tanks Sussex
Cesspools and Cesspits
Cesspools or cesspits differ slightly from septic tanks in that the waste is not treated and doesn’t drain to a soakaway. A cesspit instead stores untreated sewage, until it is collected to be taken away. Cesspools require frequent emptying, about every 30 to 45 days depending on its capacity and level of use. We are happy to advise you on which system would work best for your particular needs.

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Sewage Treatment Plants
We cater for both domestic and commercial sewage treatment for Sussex and beyond.
Wastewater treatment is what happens when wastewater is taken away and treated so it changes from being unsuitable for human use into something that can be returned to the water cycle with as little as possible impact on the environment; or simply reused.
It is, of course, vital that we treat wastewater not only for sanitation purposes but also to ensure that we remain eco friendly.

Read more about Sewage Treatment Plants Sussex
Rainwater Soakaways
Houses or buildings that are not connected to the public sewers or watercourses can often run the risk of water logging. This is where rainwater soakaways come into their own, utilising the principle of a reverse well – one that loses water rather than holding it in. Overall, it is a simple and ecological systems that can improve the quality of life significantly.
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Rainwater Harvesting Systems
As water prices in the UK steadily increase, so does ecological awareness. More and more home owners are realising they can reduce their mains water usage by more than 50% with a rainwater system.
With countries like Germany leading the way, the UK is moving in the same direction, harvesting rainwater wherever possible.
Read more about Rainwater Harvesting Systems
Off-mains Drainage for Sussex and beyond
This is a short list of the off-mains drainage systems we offer – from installation to maintenance. Please contact us on 01903 815377 or use our contact page to get in touch for further details and we’ll be delighted to discuss your requirements and offer the best solution for your individual needs.
Off-Mains Drainage Specialists Sussex
Find out more about our Off-Mains Drainage Services here and about Land Drainage here.









