The Construction Products Directive Working Group deals with all matters relating to the completion of European Standards, the mandating process, testing and certification, attestation procedures, European Technical Approvals, quality marks and structural Eurocodes. It also briefs CEPMC's delegates to the various bodies which deal with CPD matters. These organisations include:

• the Standing Committee for Construction and its Preparatory Group
• the Advisory Group for Notified Bodies
• the EC Water Regulators Group
• the Eurocodes National Correspondents Group
• CEN Construction Sector Network and its various Project Groups
• CEN TC 250 (Structural Eurocodes)
• CEN TC 351 - Construction products - Assessment of the release of Dangerous Substances
• EOTA Technical Board (European Organisation for Technical Approvals)