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Interlocking concrete blocks

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Strong, secure & built to last

Our precast interlocking concrete blocks are a solid choice for building strong structures without the hassle of conventional foundations.

Designed to slot together with a secure top-and-bottom connection system, these blocks are easy to install, simple to reposition, and built for long-lasting performance.

Whether for storage bays, retaining walls, or security barriers, they deliver strength and flexibility all in one.

A pile of cwp precast concrete interlocking blocks including a coping stone on the top

Available sizes

Full Blocks

  • 1600mm x 800mm x 800mm
  • 1200mm x 600mm x 600mm

Half Blocks

  • 800mm x 800mm x 800mm
  • 600mm x 600mm x 600mm
Two different sizes of concrete interlocking blocks

Uses of our precast interlocking concrete blocks

  • Flood defence systems and ground stabilisation
  • Retaining walls for soil, aggregate, and landscaping
  • Security barriers and temporary site protection
  • Material storage bays (waste, recycling, aggregates, salt)
  • Traffic management and segregation
  • Erosion control
CWP precast interlocking concrete blocks used to create a retaining wall on a working farm.

What our precast interlocking concrete blocks do

Our precast interlocking concrete blocks are designed to:

  • Lock securely into place using a precision-moulded top-and-bottom interlock
  • Speed up installation with no need for curing or on-site moulds
  • Provide immediate structural strength for both temporary and permanent builds
  • Handle high loads with reinforced concrete construction
  • Allow flexibility to expand, adapt, or relocate your structure as needed
  • Offer a reusable, low-maintenance solution for long-term cost savings

A small stack of precast interlocking blocks in the CWP yard

Accreditations

Accrediation
UKCA
Accrediation
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