Groundworks

Our roots are in Groundwork, and it’s a major part of everything we do at Castle Wren. Based in East Hertfordshire we provide groundwork and civil engineering services to clients across Hertfordshire, Essex, Bedfordshire, Cambridgeshire and London.

Our directors come from a background in civils, and we have the knowledge and expertise to undertake any size or complexity of project; from one off domestic self build projects for private clients. to large scale new developments for Developers.

We have extensive experience in specialist services such as deep drainage construction, bulk excavation, retaining walls and reinforced concrete slab construction. 

We're much more than just a groundworks contractor; our mission is to provide a complete enabling solution for our customers. By utilising other sectors of Castle Wren, we can provide bespoke solutions, tailormade to your needs.

Groundworks Services

  • Bulk Excavations

    Extensive bulk earthworks and reduced level digs

  • Pad / Ringbeam Foundations

    Reinforced concrete ringbeams & pad foundations

  • Strip / Trench Fill Foundations

    Traditional strip foundations and mass fill pads

  • RC Concrete Slabs

    Reinforced/mass concrete slab/raft/pad foundations

  • Below Ground Drainage

    Domestic & commercial surface water and foul water systems

  • Soakaways & Attenuation Cells

    Domestic & commercial surface water soakaways and attenuation cells

  • Septic & Klaargester Tanks

    Below ground foul water conversion systems

  • Manhole Construction

    Surface water systems and manhole construction

  • Pre-Cast beam and block flooring

    Pre-cast concrete beams and hollow core planks

  • Solid Floor Construction

    Traditional mass fill and reinforced concrete oversites

  • Floor Screeding

    Fibre reinforced screeds

  • Brickwork & Blockwork

    Below ground brick and blockwork upto DPC

  • Breakout & Obstruction Removal

    Breakout of reinforced & Mass concrete slabs and obstructions

  • Utilities & Below Ground Ducting

    Underground ducting and main laying

  • Piling Mats

    Reduced dig and installation of piling platforms

  • Pile Breakdown & Cropping

    Cropping of reinforced concrete piles

  • Gabion Retaining Walls

    Gabion basket retention schemes

  • Service Diversions

    Diversions of below ground services & drainage

  • Setting Out & Surveying

    Positional setting out and level surveys

  • Preliminary Site Setups

    Heras fence/hoardings and welfare facilities.