Code for Sustainable Homes Comparison Table



Traditional (Code 3)

(Code 6+)

Masonary / Timber Frame Building System
25% less CO2 to Part L 2006 Building regs Zero Carbon
Wall U-value:0.21 W/m2K Wall U-value:0.11 W/m2K
Pitched Roof: U-value: 0.18 W/m2K Pitched Roof: U-value: 0.11 W/m2K
Ceiling level: U-value: 0.11 W/m2K Ceiling level: U-value: 0.11 W/m2K
Floors: 0.18 W/m2K Floors: 0.11 W/m2K
Air Tightness: 5m3 /hr/m2 Air Tightness: 2m3 /hr/m2
Water consumption: < 105 ltrs/person/day Water consumption: < 80 ltrs/person/day
No Renewable Technologies Includes Renewable Technologies
No Rainwater Harvesting Includes Rainwater Harvesting