Complete groundworks
Certified groundworks for residential and commercial builds across Exeter, Devon and the South West.
Complete Groundworks for Safe, Efficient Construction from the Ground Up
Every successful build starts with strong, reliable groundwork.
At JMJ Groundworks, we deliver complete groundworks packages that support every stage of your project—from initial site strip to final surface finishes. Whether it’s foundations, drainage, utilities, or external works, our team ensures each element is carried out with precision, safety, and full compliance—so your site is ready for what comes next.
Why JMJ Groundworks Is Your Single Source groundworks Partner
Our earthworks packages combine technical expertise, reliable machinery, and precise execution - laying the groundwork for safe, long-lasting builds.
Integrated Project Management
From pre-start to handover, we provide one point of contact and coordinate all trades, deliveries, and inspections to keep things moving.
Scalable Resources
Whether it’s a domestic extension, a housing estate, or a commercial development, we adapt our workforce and machinery to meet the scale of your project.
Quality Assurance
We carry out step-by-step checks, keep photographic records, and provide as-built documentation to ensure every stage is delivered to spec.
Regulatory Compliance
With CSCS-certified operatives, full insurance cover, and CHAS-level health and safety procedures, we meet all required standards—giving you peace of mind on site.
What we offer
We carry out all aspects of groundworks - from site clearance and foundations to drainage, utilities, and external finishes - tailored to your project scope, site conditions, and programme.
Site Preparation & Clearance
From vegetation stripping and topsoil removal to demolition and muck-away, we get your site clean, level, and ready for construction.
Foundations & Substructures
We install all types of foundations, including strip footings, raft slabs, pad foundations, ground beams, and pile caps, tailored to your drawings and soil conditions.
Drainage & Utilities
Certified foul and surface water systems, attenuation tanks, soakaways, and SUDS features – plus full utility trenching for gas, electric, water, and telecoms.
External Works & Surfacing
Construction of roads, car parks, footpaths, and hardstanding areas in asphalt, concrete, or block, complete with kerbing, edging, and access ramps.
Remedial & Specialist Groundworks
Underpinning, void filling, soil remediation, and stabilisation techniques to address poor ground, brownfield sites, or complex project requirements.
Hard Landscaping & Finishes
Driveways, patios, drainage channels, and ground shaping for planting or turfing – finished to a high standard as part of your final handover.
Need groundworks in Exeter and Devon?
Whether you’re managing a multi-phase development or a one-off infrastructure upgrade, we’re ready to help.