OpenBuildings version 10.10.0.199 has been fully approved by the English Energy Performance of Buildings Division for Part L submission, for both PartL 2021 and Part L 2013. Note that XML files from prior or latter versions will no longer be accepted…

PartL 2021 and net-zero The new 2021 Part L Regulations will be a major step towards realising the goal of net-zero energy buildings, and achieving this will bring many new challenges and opportunities in nearly all aspects of the building life-cycle…