Clean living | Features

How BedZED’s thermal performance compares with the Building Regulations
	Fabric U-values (W/m²K) Current value	Proposed value for 2001	Proposed value for 2003	BedZED
roof	0.25	0.2	0.16	0.1
ground floor	0.45	0.3	0.25	0.1
exposed floor	0.45	0.3	0.25	0.1
exposed walls	0.45	0.35	0.3	0.11
windows, doors and rooflights	3.3	2.2	2	1.2