Three bedroom flat

[Geoff]

65 tonnes CO2e     "Construction Materials Report for the Beddington Zero (Fossil) Energy Development" from BioRegional, http://www.bioregional.com, discusses embodied CO2 in BEDZED     This gives the embodied CO2 for BEDZED as 650 Kgs CO2 per square metre.  That's 65 tonnes of CO2 for a 100 m2 flat.