Quantification of inherent flexibility from the electrified residential heat sector in England and Wales This directory contains the original version of the data: "Flexibility_Results_README.txt" "Folders_README.txt" "Thermal_Characteristics_README.txt" Folder 1 - "Thermal_Characteristics" - includes the thermal characteristics of dwellings in England and Wales in 2018 before and after energy efficiency measures. Folder 2 - "Positive_Flexibility_Results" - includes the magnitude and duration of positive flexibility services (increasing the electricity consumption of heat pumps) for all the local authority in England and Wales. Folder 3 - "Negative_Flexibility_Results" - includes the magnitude and duration of negative flexibility services (decreasing the electricity consumption of heat pumps)for all the local authority in England and Wales.