Groundworks & Drainage Specialists

Groundworks form the foundation of every successful basement and structural project. Our experienced groundworks team delivers excavation, drainage, and foundation works tailored to complex urban sites.

🏗 Our Groundworks Services Include:

  • Site Clearance & Excavation

    Safe removal of soil, vegetation, and existing structures, preparing the site for foundation work or drainage installation.

  • Foundations & Footings

  • Installation of shallow strip footings, deep foundations, concrete rafts, and pad foundations as per your structural drawings.

  • Drainage & Soakaways

  • We install foul and surface water drainage systems, including manholes, soakaways, land drains, and pipe runs.

  • Reinforced Concrete Slabs

  • Pouring and finishing of structural RC slabs for new builds, extensions, basements, and plant rooms.

  • Temporary Works & Support

  • Installation of ground supports, retaining structures, shuttering, and access solutions to maintain safety during the build.

  • Piling & Pile Caps

  • We manage mini-piling and ground beam installations for unstable ground conditions or restricted sites.

Book a Free Basement Survey Today

Looking for expert basement construction, waterproofing, underpinning, or groundworks in London? Delta Force Basements deliver reliable, high-quality results to a waterproof shell – ready for fit-out.

Contact us now:
Delta Force Basements
Tel: 020 8092 0756
Mobile: 07405 046475
Email: groundworkcontractors@hotmail.com
Opening Hours: Mon–Fri 08:30–18:00, Sat–Sun 09:00–14:00

We provide free surveys across Greater London. Get in touch today and let’s start your project.

🧱 Where Groundworks Are Used:

  • New build homes and developments

  • Rear or side extensions

  • Basement construction

  • Garden rooms and outbuildings

  • Utility connections and drainage upgrades

  • Warehouse construction 

What types of groundworks do you carry out?

We provide complete groundwork services, including excavation, foundations, RC slabs, drainage, and underpinning preparation.

Do you handle drainage as part of groundworks?

Yes, we install below-ground drainage systems and prepare waterproofing channels as part of the foundation package.

Can you prepare sites for basement construction?

Absolutely. We specialise in groundwork preparation for basements, including excavation, temporary works, and concrete base slabs.

Do you work across all areas of London?

Yes, we cover Greater London and surrounding areas. Contact us for a free survey to confirm availability in your location.