1. Abbe, O. and Hamilton, L. (2017). BRE Global Environmental Weighting for Construction Products using Selected Parameters from EN 15804. Retrieved April 27, 2022, from https://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwjqsoTora7yAhVilFwKHQpoCD4QFnoECAYQAQ&url=https%3A%2F%2Fwww.bre.co.uk%2Ffilelibrary%2FMaterials%2FEnvironmental-weightings-15804_final.pdf&usg=AOvVaw3Ha91Mc1KjUtzct4_Wuyct.
2. BEIS. (2020). Energy Consumption in the UK (ECUK) 1970 to 2019. Retrieved February 24, 2021, from https://www.gov.uk/government/statistics/energy-consumption-in-the-uk.
3. BEIS. (2022). Government conversion factors for company reporting of greenhouse gas emissions, BEIS (Department for Business, Energy & Industrial Strategy). Retrieved March 14, 2022, from https://www.gov.uk/government/collections/government-conversion-factors-for-company-reporting.
4. BRE. (2013). Energy Follow-up Survey-2011. Report 4: Main heating systems. Retrieved March 14, 2022, from https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/274772/4_Main_heating_systems.pdf.
5. BRE. (2015). BRE Domestic Energy Model. Retrieved April 27, 2022, from https://www.bre.co.uk/page.jsp?id=3176.