Commercial Groundworks Specialists
With 45+ years of experience, DK Walsh & Sons delivers expert groundwork solutions
Our team of experienced professionals delivers high-precision groundworks and enabling solutions for commercial, institutional, and large-scale development projects across Buckinghamshire, Oxfordshire, Berkshire, and the wider UK.
With over 45 years of proven expertise, we specialise in handling complex, high-profile sites—such as university campuses, schools, historic estates, retail parks, offices, and industrial facilities—where accuracy, minimal operational disruption, strict health & safety compliance, and on-time, on-budget delivery are essential.
We manage full groundwork packages including bulk excavation, deep foundations, reinforced concrete structures, comprehensive drainage and utilities, site preparation, and enabling works, all executed with modern specialist equipment and rigorously trained teams to meet the demands of major commercial builds.
Contact us today for a no-obligation site assessment, detailed quotation, or technical consultation—let us help turn your commercial vision into a functional, compliant reality.
- On-time, on-budget delivery for complex sites
- Sensitive working on high-profile & listed buildings
- Full range: excavation, foundations, drainage, site prep & more
- Modern fleet & rigorous health & safety standards
- Fully Insured
Recently completed Commercial projects
Excavation & Earthworks
Path Excavation & Reinstatement
Path Excavation & Reinstatement
Excavation and earthworks carried out at Hook Norton Primary School for CME Heating to prepare the site for new air source heat pumps. Works included reduced level excavation, formation of new heat pump bases, trenching for flow and return pipework and installation of service ducting, with backfilling and compaction completed within a live school environment by DK Walsh & Sons, Groundwork and Landscape Contractors.
Path Excavation & Reinstatement
Path Excavation & Reinstatement
Path Excavation & Reinstatement
Excavation and reinstatement works carried out at St Hilda’s College, Oxford, for Colin Clark Construction involved removal of the existing pathway and preparation of a new sub-base. The path was reinstated using buff heritage gravel, carefully compacted to achieve a durable and even finish suited to the college grounds, with all works completed by DK Walsh & Sons, Groundwork and Landscape Contractors.
French Drain Installation
Path Excavation & Reinstatement
Flow, Return & Electrical Service Trenching
French drain installation completed in Ampthill for CME Heating to resolve surface water issues within a grassed area. Works involved excavation of a drainage trench, installation of perforated pipework and clean stone backfill to promote effective water dispersion, improving ground conditions and preventing ongoing waterlogging, with all works completed by DK Walsh & Sons, Groundwork and Landscape Contractors.
Flow, Return & Electrical Service Trenching
Flow, Return & Electrical Service Trenching
Flow, Return & Electrical Service Trenching
Groundworks package delivered at Franklin House, Dunstable, for CME Heating to facilitate relocation of the existing boiler room. Works included extensive trenching for new service routes and construction of reinforced bases to support the new plant room. All excavation, preparation and reinstatement were completed to specification, ensuring a stable foundation by DK Walsh & Sons, Groundwork and Landscape Contractors.
Reinforced Concrete Base
Flow, Return & Electrical Service Trenching
Trenching & Base Instlation
Reinforced base construction carried out in Rickmansworth for CME Heating to support a temporary boiler room installation within a residential housing estate. Works included excavation, preparation of a reinforced concrete base and trenching for flow and return heating pipework, completed to specification within a live environment by DK Walsh & Sons, Groundwork and Landscape Contractors.
Trenching & Base Instlation
Flow, Return & Electrical Service Trenching
Trenching & Base Instlation
Groundworks package delivered at The Royal Latin School, Buckingham, for CME Heating to support installation of new air source heat pumps. Works included trenching for flow and return pipework and electrical services, construction of new heat pump bases, secure perimeter fencing and pathway formation with birdsmouth edging, with reinstatement including a new tarmacked area by DK Walsh & Sons, Groundwork and Landscape Contractors.