This dataset includes the following data for all the Lower Layer Super Output Areas (LSOA) in England and Wales:

column 1 - "LSOA11CD" - The LSOA code, based on the LSOA classification from the 2011 Census.
column 2 - "Area (km2)" - The area of the LSOA in km2.

columns 3-34 - The annual heat demand before and after adopting energy efficiency measures for 16 dwelling categories for a typical year in terms of temperature:
column 3 - "Average heat demand after energy efficiency measures for detached biomass boiler (kWh)"
column 4 - "Average heat demand after energy efficiency measures for detached gas boiler (kWh)"
column 5 - "Average heat demand after energy efficiency measures for detached oil boiler (kWh)"
column 6 - "Average heat demand after energy efficiency measures for detached resistance heating (kWh)"
column 7 - "Average heat demand after energy efficiency measures for flat biomass boiler (kWh)"
column 8 - "Average heat demand after energy efficiency measures for flat gas boiler (kWh)"
column 9 - "Average heat demand after energy efficiency measures for flat oil boiler (kWh)"
column 10 - "Average heat demand after energy efficiency measures for flat resistance heating (kWh)"
column 11 - "Average heat demand after energy efficiency measures for semi-detached biomass boiler (kWh)"
column 12 - "Average heat demand after energy efficiency measures for semi-detached gas boiler (kWh)"
column 13 - "Average heat demand after energy efficiency measures for semi-detached oil boiler (kWh)"
column 14 - "Average heat demand after energy efficiency measures for semi-detached resistance heating (kWh)"
column 15 - "Average heat demand after energy efficiency measures for terraced biomass boiler (kWh)"
column 16 - "Average heat demand after energy efficiency measures for terraced gas boiler (kWh)"
column 17 - "Average heat demand after energy efficiency measures for terraced oil boiler (kWh)"
column 18 - "Average heat demand after energy efficiency measures for terraced resistance heating (kWh)"
column 19 - "Average heat demand before energy efficiency measures for detached biomass boiler (kWh)"
column 20 - "Average heat demand before energy efficiency measures for detached gas boiler (kWh)"
column 21 - "Average heat demand before energy efficiency measures for detached oil boiler (kWh)"
column 22 - "Average heat demand before energy efficiency measures for detached resistance heating (kWh)"
column 23 - "Average heat demand before energy efficiency measures for flat biomass boiler (kWh)"
column 24 - "Average heat demand before energy efficiency measures for flat gas boiler (kWh)"
column 25 - "Average heat demand before energy efficiency measures for flat oil boiler (kWh)"
column 26 - "Average heat demand before energy efficiency measures for flat resistance heating (kWh)"
column 27 - "Average heat demand before energy efficiency measures for semi-detached biomass boiler (kWh)"
column 28 - "Average heat demand before energy efficiency measures for semi-detached gas boiler (kWh)"
column 29 - "Average heat demand before energy efficiency measures for semi-detached oil boiler (kWh)"
column 30 - "Average heat demand before energy efficiency measures for semi-detached resistance heating (kWh)"
column 31 - "Average heat demand before energy efficiency measures for terraced biomass boiler (kWh)"
column 32 - "Average heat demand before energy efficiency measures for terraced gas boiler (kWh)"
column 33 - "Average heat demand before energy efficiency measures for terraced oil boiler (kWh)"
column 34 - "Average heat demand before energy efficiency measures for terraced resistance heating (kWh)"

column 35 - "Local Authority (2011)" - The local authority (2011) - based on the classification from the Office of National Statistics.
column 36 - "Local Authority (2019)" - The local authority (2019) - based on the classification from the Office of National Statistics.

columns 37-52 - The number of dwellings in each of the 16 dwelling categories in 2018:
column 37 - "Number of detached biomass boiler in 2018"
column 38 - "Number of detached gas boiler in 2018"
column 39 - "Number of detached oil boiler in 2018"
column 40 - "Number of detached resistance heating in 2018"
column 41 - "Number of flat biomass boiler in 2018"
column 42 - "Number of flat gas boiler in 2018"
column 43 - "Number of flat oil boiler in 2018"
column 44 - "Number of flat resistance heating in 2018"
column 45 - "Number of semi-detached biomass boiler in 2018"
column 46 - "Number of semi-detached gas boiler in 2018"
column 47 - "Number of semi-detached oil boiler in 2018"
column 48 - "Number of semi-detached resistance heating in 2018"
column 49 - "Number of terraced biomass boiler in 2018"
column 50 - "Number of terraced gas boiler in 2018"
column 51 - "Number of terraced oil boiler in 2018"
column 52 - "Number of terraced resistance heating in 2018"

column 53 - "Road length (m)" - The road length (m) which can be used to calculate the linear heat density of a hypothetical district heating scheme.
column 54 - "Rurality" - The rurality of the LSOA based on the classification from the Office of National Statistics.
column 55 - "Total heat demand after energy efficiency measures 2018 (kWh)" - The total annual heat demand of the LSOA after adopting energy efficiency measures.
column 56 - "Total heat demand before energy efficiency measures 2018 (kWh)" - The total annual heat demand of the LSOA before adopting energy efficiency measures.