CET provides laboratory testing services via a nationwide network of UKAS accredited* materials testing labs; providing customers from the Infrastructure, engineering and property markets with rapid access to accurate results.

CET has Multi-Site and Flexible Scope UKAS accreditation, which allows our laboratories to provide customers with comprehensive reports and analysis; aiding quality assurance, compliance and control whilst providing vital data to support cost-effective decision making.

Our UKAS Laboratory Testing Services include:

  • Concrete Testing (Fresh & Hardened)
  • Soil Classification
  • Aggregate Physical Properties
  • Asphalt Analysis
  • Core Testing (Asphalt & Concrete)

Other Specialist Laboratory Testing Services available utilising our Testing Partners with their own relevant UKAS or MCERTS accreditation:

  • Chemical Contamination
  • Specialist Geotechnical Testing
  • Paint & Heavy Metal Testing
  • Thermoplastic Road Marking


“CET proved their worth very early on in the relationship, by overcoming what could have been a major issue within a very short timescale. I can’t say enough good things about both the technicians and the service team.”


Glossary of laboratory tests available from CET*


  • Moisture / Saturation Moisture Content
  • Particle Size Distribution
  • Plasticity Index (Liquid and Plastic limits)
  • Chalk Crushing Value
  • IDD of chalk
  • Compaction Studies (2.5kg, 4.5kg & vibrating hammer)
  • Particle Density
  • California Bearing Ratio (CBR)
  • Consolidation Properties (One Dimensional)
  • Large Shear Box
  • Determination of the state of desiccation in clay soils


  • WAC testing
  • TRL Sulphate suites (WS, OS & TPS)
  • All typical component / elemental chemical tests
  • Asbestos ID and quantification


  • Particle Size Distribution
  • Flakiness Index
  • Elongation Index
  • Moisture / Water Content
  • 10% Fines Value
  • Shape Index
  • Assessment of fines (Methylene Blue Test)
  • Constituents of coarse recycled aggregates
  • Micro-Deval
  • Los Angeles Abrasion
  • Loose bulk density and voids
  • Particle Density and water absorption
  • Magnesium Sulphate Soundness


  • Recovery, needle penetration & softening point
  • Soluble binder and mineral aggregate grading
  • Maximum density
  • Bulk density and air void content of core specimens
  • Conventional / percentage refusal density
  • Hot sand test for adhesivity on pre-coated chippings


  • Compressive strength and density of hardened concrete cubes
  • Compressive strength of concrete cores
  • Flexural strength of concrete beams
  • Compressive strength of concrete cylinders
  • Petrographic analysis**
  • Mix proportions**


*UKAS accreditation is limited to those activities described in our UKAS Schedule of Accreditation

**Services provided by approved sub-contractor