SOS Group | Building and Maintenance Services
No-Dig Water Mains & Lead Replacement
Severn Trent & Thames Water Approved

No-Dig Water Mains & Lead Replacement

Approved water supply contractors specialising in trenchless impact moling, burst main repairs, and certified lead renewal backed by a 100-year guarantee.

Direct Emergency Dispatch Across UK
DBS-Vetted Directly Employed Operatives
100 Year
MDPE Pipe Guarantee
No-Dig
Trenchless Impact Moling
5x Faster
Than Open Excavation
WIAPS
Certified Self-Signoff
Leading Water Mains Contractor

Water Mains Specialist Contractors

We are a No-Dig water mains contractor working throughout the UK. By working in partnership with our clients we provide a complete service from conception to completion. With our experts to advise you, you can expect safe, cost-effective and innovative solutions to whatever underground installation projects you have planned.

SOS Operational Standards

Every contract is managed under ISO-aligned quality and environmental protocols, providing direct accountability from inception to sign-off.

Direct Specialist Force

Directly employed, streetworks-accredited, time-served engineers.

DBS & Safeguarding

Full clearance for council schools, healthcare, and social housing.

Regulatory Compliance

Full RAMS, water authority self-certification, and WRc/HSE audits.

Fixed-Rate Transparency

Transparent quotes with zero hidden plant hire or disposal fees.

About SOS water mains services

No-Dig Underground Installation Services

Delivering a fast and efficient 24hr service to accommodate all your water main requirements. Over 50 years of experience and a market leader in resolving all water main issues. Lead replacement, leak detection, burst pipe repairs, trace & locate works, poor flow defects, pump station solutions, trenchless technology installations. Water industry approved and accredited.

Industrial, commercial, local authority, water provider, and residential. We cater to a range of clients and a range of water supply applications.

01

24hr Rapid Burst Response

Fast emergency response for major commercial bursts and private supply leaks, operating 24 hours a day, 365 days a year with complete emergency isolation gear.

02

Burst Pipe & Underground Repairs

From small domestic supplies to large-diameter commercial water mains, we deploy precision ground microphones, tracer gas, and direct excavation plant for immediate defect repair.

03

Certified Lead Pipe Replacement

Replace old, hazardous lead water supply pipes with modern, safe, high-flow MDPE pipework. Fully certified and complete with our 100-year material guarantee.

04

New Supply Installations & Connections

All water main installations comply strictly with The Water Supply (Water Fittings) Regulations and Water Supply Byelaws, handling new boundary connections and meter pits.

05

Water Company Approved Self-Certification

As certified WIAPS and Watermark contractors, we self-certify all new installations and lead renewals directly with Severn Trent, Thames Water, and regional undertakers.

06

Trenchless Impact Moling Technology

Pneumatic moling installs new pipework underground without digging trenches through pristine lawns, mature trees, tarmac driveways, or roads — completing 5x faster than open trenching.

No-Dig Underground Installation Services
Direct Plant & In-House Fleet

50+ years of proven multi-disciplinary contracting across the UK

Guaranteed Execution

  • Zero subcontractor reliance — fully employed teams
  • Comprehensive method statements & RAMS prior to dispatch
  • Full waste transfer & regulatory sign-off documentation
Tailored Delivery

Contracting Engineered for Every Sector

Whether delivering under municipal frameworks, commercial facility SLAs, or resolving emergency domestic repairs, SOS Group adapts directly to your requirements.

Public Sector & Frameworks

Local Authorities & Frameworks

Trusted partner for municipal councils, educational trusts, housing associations, and regional frameworks.

  • Municipal water supply upgrades and educational lead pipe abatement
  • WaterMark self-certification eliminating water company inspection delays
  • Minimal disruption to public footways, grass verges & school grounds
  • Comprehensive chlorination, water hygiene certification & pressure tests
Commercial Portfolios

Commercial & Facilities Management

Providing facilities managers, retail chains, and industrial operators with turnkey preventative and reactive care.

  • High-capacity commercial supply connections & fire main repairs
  • Trenchless moling under operational car parks, yards & logistics zones
  • Rapid burst isolation and acoustic leak detection to curb water loss
  • Full water regulations compliance and sign-off documentation
Domestic Clients

Private Estates & Homeowners

Dedicated, considerate repair and installation services for private properties, residential landlords, and estates.

  • Complete lead pipe replacement to healthy, high-flow blue MDPE
  • Lawns, patios, and block-paved driveways preserved using no-dig moling
  • Same-day water restoration for the vast majority of residential renewals
  • Official WaterSafe completion certificates provided for home insurance

Water Mains Services

We are a Water Company Approved contractor for replacing and repairing water supply pipes, water mains and undertaking lead renewal work. Our highly motivated, customer orientated team of engineers has been involved with the water industry for over 50 years.

Water Mains Services

Water Mains Services

For added peace of mind, SOS are approved contractors for Thames Water and other major Water Companies. Whether you require the installation of a new service or are upgrading existing ones, SOS Trenchless Installations provides a variety of solutions that will be tailored to meet your requirements.

Our Location

32 – 38 Lincoln Rd, Solihull, Birmingham B27 6PA

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Take the next step

If you'd like to find out more about our industry-leading services, or if you'd like a bespoke proposal, we'd absolutely love to hear from you. You can contact our office now by clicking the button below. Our dedicated, experienced team are always ready to answer any questions you might have and to help in any way they can

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