Drainage That Protects Your Build

Poor drainage is a hidden risk. Done wrong, it leads to costly delays and long-term damage. Done right, it protects your investment for decades. At GS Contracts, we design and install systems that meet every regulatory standard and perform flawlessly in Scotland’s toughest conditions.

Why Developers & Builders Trust Our Drainage Solutions

100% Compliance Record

 Every system we install meets SEPA, Scottish Water, and building standards. No failures, no refusals, no rework.

Solutions for Difficult Sites

Steep slopes, clay soils, tight access — we’ve solved them all with specialized equipment and experienced operators.

On-Time, On-Budget Delivery

Drainage is critical to the build sequence. We keep you on schedule with systems installed right the first time..

Family-Run Accountability

With director-level involvement in every project, your success is personal to us. You get our full attention and commitment.

Our Proven Drainage Process

STEP one

Site Assessment

Surveys, soil analysis, and water table checks to design a system that fits your site.

STEP two

Design & Planning

SUDS-compliant design, Scottish Water liaison, and building warrant support.

STEP three

Precision excavation, quality materials, and expert installation with daily progress reports.

STEP FOUR

Full performance verification and compliance certification for long-term reliability.

Our Drainage Expertise

SUDS & Sustainable Drainage

  • Attenuation tanks›
  • Ponds›
  • Permeable paving›
  • Swales
  • Bio-retention systems

Traditional Drainage

  • Foul water systems›
  • Highway drainage›
  • Pumping stations›
  • Surface water systems


Specialised Solutions

  • Soakaways
  • Basement drainage›
  • Difficult ground conditions

Emergency

Repairs

  • 24/7 rapid response
  • Urgent issue resolution›
  • Project continuation support

When you work with us, you don’t just get a contractor — you get peace of mind. We honor timelines, safeguard budgets, and deliver workmanship that never cuts corners. Expect clear updates, zero abandoned projects in 15+ years, and a family name on every job.

Guaranteed timelines

Family accountability

Uncompromising quality

Central Scotland Coverage

Serving Central Scotland from our Cumbernauld base, we provide reliable groundworks services within a 30-mile radius to guarantee our on-time promise.

Glasgow

Edinburgh

Falkirk

Stirling

Lanarkshire

East Lothian

Schedule your free, no-obligation site assessment and get a quote for a compliant, reliable drainage system.

Get Your Free Site Assessment

Ready to start your project with groundworks you can depend on? Contact us today for a comprehensive site assessment and transparent quote.

Call Us Direct

01236 123 456

Based in Cumbernauld

Serving 30-mile radius

Contact Us