Civils & Groundworks in Portmarnock

Strong Foundations. Seamless Delivery.

At J&G Conwell Construction, we provide expert civils and groundwork services in Portmarnock — setting the foundation for every successful build. Whether you're starting a new home, extending your property, or preparing for a commercial project, our groundwork team ensures everything is set for a safe, efficient construction process.

We handle every stage — from excavation and drainage to concrete and site prep — with precision and professionalism.

What We Offer for Civils & Groundworks in Portmarnock

Site Clearance & Excavation – Full prep, including vegetation removal, grading & ground leveling
Foundations & Concrete Slabs – Raft, strip, trench fill or bespoke engineered foundations
Drainage Systems & Utilities – Expertly installed sewer, stormwater, water & service ducts
Ground Beams & Pad Foundations – Structural elements built to spec for homes & extensions
Retaining Walls & Boundary Works – Masonry or concrete walls, kerbing, and landscaping prep
Driveway Sub-Bases & Paths – Strong, stable groundwork for paved or gravel areas
Site Setup for Modular or Traditional Builds – All works aligned with building plans and compliance
Structural Repairs & Remediation – Stabilising works and underpinning when needed

We build from the ground up — with strength, precision, and attention to detail.

Why Choose J&G Conwell Construction in Portmarnock?

Experienced Groundworks Team with Local Expertise
Fully Equipped for Residential & Light Commercial Projects
All Works Completed to Regulatory Standards
Thorough Site Surveys, Planning & Risk Assessments
Clear Quotes & Transparent Scope of Work
High-Quality Materials & Proven Construction Techniques
End-to-End Service – No Need to Hire Multiple Contractors

We don’t just dig and pour — we prepare the ground for builds that last a lifetime.

Built for Portmarnock Projects

Whether you're working on a coastal property, a suburban home, or an infill site, our team understands the local terrain, drainage needs, and planning regulations. We deliver groundworks that are right for your location, budget, and build goals.