This raster dataset provides the modelled temperature at the top of the early Carboniferous limestone (ECL) in the Northern and Southern provinces in Great Britain. The data were created by D J.R. Jones, T. Randles, T. Kearsey, T.C. Pharaoh, A. Newell (2023). https://doi.org/10.1016/j.geothermics.2023.102649