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20 Years
experience
Emergency
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Professional Plumbing & Sewer Solutions in Pembrokeshire
Established in 2006, D J M Services is a family-run business headquartered in Pembrokeshire, South Wales. We specialise in delivering professional groundwork, water, and sewer services, combining technical expertise with a commitment to quality. Our team holds industry-recognised accreditations, including SSIP with Chas, WIAPS, and WIRS, ensuring compliance with rigorous water regulations. With over 30 years of hands-on experience in plant operation and utility infrastructure, we provide tailored solutions for domestic and commercial clients. Our staff are certified in electro-fusion welding, confined space operations, and streetworks, enabling us to handle complex projects efficiently.

Having collaborated with Dwr Cymru/Welsh Water for nearly two decades, we bring deep sector knowledge to every task. We prioritise minimising disruption while maintaining high standards, serving clients from initial consultation to project completion. Our reputation for reliability and cost-effective service has earned long-term partnerships with developers like Persimmon Homes and Morgan Construction. We pride ourselves on approachable, flexible service delivery, ensuring client satisfaction across Pembrokeshire and South Wales. With a focus on innovation and safety, D J M Services remains a trusted partner for water and sewer infrastructure needs.
Services
Water Main Installations Sewer Repairs Leak Detection Groundwork Services Septic Tank Installation Trench Inspections Chlorination Services CCTV Sewer Surveys Sewer Build-Overs Pressure Testing
Details
  • Year established: 2006
Highlights and features
  • We have 19 years of experience in water utility infrastructure.
  • Our team holds SSIP and WIAPS accreditations for regulatory compliance.
  • We provide 24/7 emergency leak detection and repair services.
  • Our staff are certified in electro-fusion welding and streetworks.
  • We offer tailored solutions for both domestic and commercial clients.
Associations and certifications
  • SSIP
  • Chas
  • WIAPS
  • WIRS
What people say
Highly recommend Exceptional service Professional manner Cost-effective solutions Prompt repairs
Services
Water Main Installations
We install mains water networks and service connections on private land, adhering to Water Industry Registration Scheme standards. Our team uses fusion welding techniques and holds WIAPS certification for trench inspections. Developers benefit from faster project timelines through self-lay agreements with utility companies.
Sewer Repairs
Our specialists handle sewer diversions, CCTV surveys, and emergency blockage removal. We comply with Sewer Adoption 7th Edition guidelines and manage connections to treatment plants. Services include manhole installation and gravity/pumped sewer systems for residential and commercial properties.
Leak Detection
Using advanced technology, we identify and repair water leaks in domestic and commercial properties. Our non-invasive methods preserve structural integrity while restoring water pressure. We also offer chlorination services to ensure safe drinking water after repairs.
Trench Inspections
Certified WIAPS plumbers inspect underground water connections to meet regulatory standards. We provide compliance certificates for water companies and ensure installations prevent contamination. This service guarantees adherence to safety protocols during infrastructure projects.
Sewer Build-Overs
We assess feasibility and reinforce sewer structures when building over existing lines. Our team coordinates with water companies to obtain approvals and ensure compliance with legal requirements. This includes structural reinforcement and regulatory documentation for safe extensions.
People
Darrell Lewis
Plant Operator
With over 30 years' experience operating heavy machinery, Darrell specialises in groundwork projects across Pembrokeshire and Carmarthenshire. He leads technical operations at D J M Services.
Emma Lewis
Contact Lead
Emma manages client communications and project coordination for D J M Services. She ensures seamless delivery of water and sewer infrastructure projects in South Wales.
Questions
What areas do DJM Services cover?
We operate across Pembrokeshire, South Wales, and surrounding regions for water and sewer infrastructure projects.
Are DJM Services accredited?
Yes, we hold SSIP, WIAPS, and WIRS accreditations for plumbing and water industry compliance.
Do you handle emergency repairs?
We offer 24/7 emergency leak detection and sewer repair services to minimise property damage.
Can you assist with self-lay water schemes?
Yes, we help developers install water networks under self-lay agreements with utility companies.
How do you ensure regulatory compliance?
Our WIAPS-certified team follows Water Regulations and provides compliance certificates for all projects.
What sewer services do you provide?
We handle connections, CCTV surveys, repairs, build-overs, and treatment plant installations in compliance with adoption guidelines.