Water and Drainage Contractors

CSW Groundworks are specialist water and drainage contractors based in Ottery St Mary and covering Devon and beyond. We have been trading for over 20 years and have amassed a huge amount of knowledge and experience within the industry.

We have worked on many drainage projects as part of the groundworks and civils work we undertake. This has led to a large amount of knowledge in drainage and water works projects. We are able to undertake all water related construction projects for domestic and commercial clients.

Customer care and ensuring we deliver a job well done is paramount to what we do.  We want to make our customers happy so that you come back and use our service. We have implemented strict processes and procedures to ensure our work is to the highest quality. As a mark of our competence we are Safe Contractor, CHAS and Achilles approved and all our operatives holds an appropriate CSCS / CPCS card.

Our trained and experienced team are able to handle all type of water and drainage works including soakaways, septic tanks, surface water drainage, ultilities installation and more…

Drainage Contractors Exeter, Devon

CSW Groundworks is based in Ottery, we cover the whole of Devon and beyond, including Exeter, Exmouth, Sidmouth, Honiton, Axminster, Lyme Regis, Seaton, Budleigh Salterton, Torbay and Plymouth.

SafeContractor Accreditation
Construction Plant Competence Scheme
Construction Industry Training Board
Achilles Building Confidence Audited Contractors
CHAS Accredited Contractors
Federation of Master Builders

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01404 811119 / 07983 648287
admin@cswgroundworks.co.uk


Drainage Contractors Honiton, Exeter, Devon
Drainage Contractors Honiton, Exeter, Devon

All Types of Drainage and Water Work

With well over two decades of industry experience, the CSW team are able to carry out all manner of groundwork projects quickly, efficiently, and to an exceptional standard. Because we work efficiently, we are able to help you stick to your project timescale, completing all work within the agreed time and budget. We have worked with clients in a diverse range of sectors, and have gained an excellent reputation.

Our team is experienced in carrying out drainage and water projects for domestic, commercial and industrial clients, so large-scale projects are no problem. We aim to be the first choice across Devon. A small sample of our groundwork services, include:

  • Site preparation and remedial work
  • Excavation, trenching and other earthworks
  • Substructure construction
  • Drainage Installation
  • Soakaways
  • Rain Water Harvesting

Drainage and Water Works FAQs

Q: What types of drainage projects does CSW Groundworks specialise in?

A: CSW Groundworks excels in a variety of drainage projects, including stormwater management, surface water drainage, and subsurface drainage. Our team is experienced in designing and implementing effective drainage solutions for residential, commercial, and industrial applications.

Q: How does CSW Groundworks address issues such as standing water or poor drainage in residential areas?

A: CSW Groundworks conducts thorough assessments to identify the root causes of drainage issues in residential areas. Our team then implements tailored solutions, which may include proper grading, installation of drainage systems, and strategic landscaping to ensure effective water runoff.

Q: Can CSW Groundworks design and install sustainable water management solutions for commercial and industrial sites?

A: Absolutely. CSW Groundworks is committed to sustainable water management practices. We design and install systems that capture and manage water sustainably, incorporating features such as permeable paving, retention ponds, and green infrastructure to mitigate environmental impact.

Q: How does CSW Groundworks approach the installation of underground drainage systems for large-scale projects?

A: CSW Groundworks employs advanced engineering and construction techniques for the installation of underground drainage systems in large-scale projects. Our team ensures precision in layout, proper pipe sizing, and strategic placement to optimize the efficiency of the drainage infrastructure.

Q: Can CSW Groundworks assist with compliance to water regulations and permits for construction projects near water bodies?

A: Yes, CSW Groundworks is well-versed in water regulations and permitting processes. Our team works closely with regulatory authorities to ensure compliance with water-related regulations for construction projects near water bodies, providing a seamless and compliant water works solution.

Our professional, flexible, efficient and friendly approach to our work consistently produces excellent customer satisfaction – and high levels of repeat business. 

Our Water, Drainage and Sewage Projects

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