DCHI was a trade association with a membership consisting of qualified Domestic and Commercial Energy Assessors and Residential Property Surveyors. It is now re-branded and its activities have been significantly extended under the Proficiency name. Please follow www.linkedin.com/company/proficiency-plus-limited Members can provide Home Condition Surveys, Energy Performance Certificates, Display Energy Certificates and other associated services. DCHI was originally formed as Devon & Cornwall Home Inspectors Association but has become known as DCHI due to the changing marketplace. The role of home inspectors has changed and become known as Residential Property Surveyors and increasingly the membership includes domestic and commercial energy assessors.