Construction adjudication services to resolve a dispute arising between a main contractor and its mechanical, electrical and public health (MEP) building services subcontractor, engaged for the refurbishment of a residential and office building in London, England. The dispute concerned whether the contractor wrongfully terminated the subcontractor’s contract for the supply, installation, testing, demonstration and commissioning of MEP building services systems, and the sum due to either party, depending on the decision on the validity of the termination.