This vector contour dataset represents the distribution of the estimated, theoretical potential 'geothermal resources' (in GJ/m2 or PJ/km2) for the Triassic sedimentary aquifers of the Sherwood Sandstone Group (SSG) in the East Yorkshire-Lincolnshire, Cheshire, Wessex and Worcester basins, for resource temperatures greater than 40 °C. This dataset is the heat-in-place, and represents the amount of heat contained in the productive parts of the identified aquifers (i.e. with sufficient porosity and permeability to be considered as a hot sedimentary aquifer resource). This dataset is derived from Rollin, K. E., G. A. Kirby, and W. J. Rowley. Atlas of geothermal resources in Europe: UK revision. British Geological Survey technical report WK/95/7, Regional Geophysics Group, 1995: https://webapps.bgs.ac.uk/data/publications/publication.html?id=21735106 and the European Geothermal Atlas (https://op.europa.eu/publication-detail/-/publication/9003d463-03ed-4b0e-87e8-61325a2d4456).