1. The Building Regulations 2010. Approved document L2A. Conservation of fuel and power in new buildings other than dwellings. 2013 edition – for use in England. HM Government. Free download available.
2. BS EN ISO 13789:1999 Thermal performance of buildings – Transmission heat loss coefficient – Calculation method.
3. National Calculation Methodology (NCM) Modelling Guide (for buildings other than dwellings in England). 2013 Edition. April 2014.
4. IP 17/01. Assessing the effects of thermal bridging at junctions and around openings. Tim Ward. BRE East Kilbride.
