1. The Building Regulations 2010. Approved document L2. Conservation of fuel and power in buildings other than dwellings. 2021 edition – for use in England. HM Government. Free download available.
2. BS EN ISO 13789:2017 Thermal performance of buildings – Transmission heat loss coefficient – Calculation method.
3. National Calculation Methodology (NCM) Modelling Guide (for buildings other than dwellings); England 2021 Edition, Wales 2022 Edition.
4. IP 17/01. Assessing the effects of thermal bridging at junctions and around openings. Tim Ward. BRE East Kilbride.
