Display Energy Certificate (DEC) Register dataset for all UK public buildings. Energy use, floorspace, emissions and efficiency ratings for 40,000 buildings of over 1,000m2 in England and Wales that are visited by the public. DECs for individual buildings can be downloaded from www.ndepcregister.com using the Certificate Reference Number (variable RRN in the datasets). Errors in the data collection or data entry can result in a build...