CET provides laboratory testing services via a network of UKAS accredited* materials testing labs; providing customers 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.

CET UKAS accredited testing laboratories (UKAS No. 0927) offer a comprehensive range of testing and inspection services. All services are carried out to the highest standards, including a wide range of sampling, testing and inspection activities detailed in full by our UKAS accreditation schedule. All services are aligned to the management controls defined within the ISO 9001 standard. Backed by a highly regarded technical and professional management team, our focus is on exceeding expectations and always delivering what our clients need.

We provide a fast and efficient, multi-disciplined testing service, featuring:

  • Recognised and substantial experience gained through participation in major construction and civil engineering projects
  • Reduced costs through in-house cradle to grave project management
  • Contract managers ensuring efficient communication between stakeholders
  • Professional engineers and environmental scientists with the capability to supervise projects, ensuring that the scope of investigations is managed to maximise data acquisition whilst minimising costs
  • Confidence in quality of service, results and reports through our UKAS accreditation

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