Groundworks Contractors

At O’Sullivan Civil & Construction, we provide comprehensive groundworks solutions for residential developments, commercial buildings, and public infrastructure projects. Groundworks form the essential first stage of any construction project — and our team brings unmatched precision, efficiency, and safety to every job.

We manage everything from site stripping and bulk excavation to foundations, utility ducting, drainage systems, and structural slabs. Our operatives are fully trained, and all works are carried out in accordance with local authority regulations, building control, and national specifications.

Groundworks Contractors Uxbridge West London

Why Clients Choose O’Sullivan Civil & Construction for Groundworks Services

Turnkey Groundworks Packages  – We deliver fully managed groundworks solutions — including site clearance, foundations, substructure concrete, drainage, and site preparation.
Accurate, Safe Excavation –  Our team uses modern equipment and geotechnical insight to ensure all excavations are stable, precise, and suited to the site’s conditions.
Domestic & Commercial Capabilities  – From individual home foundations to large-scale commercial groundwork packages, we tailor our services to suit your project’s size and scope.
Regulatory and Structural Compliance  – We follow NHBC standards, Eurocodes, and local engineering specifications — ensuring a compliant base for further construction.

Our Groundworks Services Include:

Site clearance and vegetation removal
Bulk excavation and muck away
Foundations (strip, raft, pad, trench fill)
Concrete slabs and floor screeds
Reinforced concrete structures (RC works)
Underground drainage and attenuation systems
Utility ducting and service trenching
Ground beams and pile caps
Site preparation and sub-base installation

Built Right from the Ground Up

Our approach to groundworks ensures your project starts on solid footing. We understand that time, safety, and structural accuracy are key — and we deliver all three without compromise. Whether you’re building a home extension or breaking ground on a commercial unit, we have the tools and experience to get it right first time.