This data profile describes the Residential Mobility and Energy Performance Certificate (RMEPC) datasets held by the Consumer Data Research Centre (CDRC), which are created through original CDRC research. The index data are compiled through an analysis involving the linkage of CDRC Secure Data Linked Consumer Registers (LCRs), and Department for Levelling Up, Housing and Communities (DLUHC) Domestic Energy Performance Certificates (EPCs), at property level. The data provide average and median change of energy performance ratings, potential energy performance ratings and total floor area of residences involved in moves in and out of each Lower Level Super Output Area (LSOA) level in Great Britain (GB) between 2009 and 2023