Carbon Footprint of the Tree House

Element	SEED Homes Floor area 250 m2 (Tonnes CO2)	Typical Scottish home Floor area 250m2 (Tonnes CO2)
Foundations & Slab	14.15	9.25
Wall section	-12.22	21
Party walls	-3.43	0
Roof	-1.71	11.25
Porch roof	0.03	0.00
1st floor	-8.02	-0.45
Partition walls	-5.11	0.68
TOTAL	-16.33 tonnes	41.73 tonnes

Element	SEED Homes Floor area 100 m2 (Tonnes CO2)	Typical Scottish home Floor area 100m2 (Tonnes CO2)
Foundations & Slab	5.66	3.40
Wall section	-4.89	8.4
Party walls	-1.37	0
Roof	-0.68	4.50
Porch roof	0.01	0.00
1st floor	-3.21	-0.18
Partition walls	-2.04	0.27
TOTAL	-6.53 tonnes	16.93 tonnes

Element