What the code will cost | News

Table 1 Minimum standards for energy and water at each code level
Code level	1	2	3	4	5	6
Energy/carbon emissions (% improvement over ADL1 2006)	10%	18%	25%	44%	100%	zero carbon
Water (litres per bedspace per year)	120	120	105	105	80	80

Table 2 Baseline costs and performance of the house types
Unit Type	Base Cost (per unit)	Area (m²)	Cost per m²	Target emission rate (kg CO2 m²)
Masonry detached house	£91,206	116	£786	24.1
Masonry end-of-terrace house	£75,235	101	£745	21.1
Low-rise flat	£79,200	59	£1,342	20.6
High-rise flat	£124,500	75	£1,660	24.9
Weber Haus, terraced house	£59,958	77	£779	26.7
SixtyK house	£60,000	77	£779	19.3
Estimated extra cost for site-wide heat and power services	£9,601	77	£125

Table 4 Costs of meeting the energy standards for code level three
House type	Traditional detached house	Traditional terraced house	Low rise apartment	High rise apartment	SixtyK House	Weber Haus
Scenario 1	£3,916	£3,692	£2,907	£5,952	£0*	£120
Scenario 2	£1,693	£1,693	£1,600	£3,751
Scenario 3	£2,622	£2,622	£1,349	£1,695
Scenario 4	£4,481	£3,917	-	£3,917
* Costs of SixtyK House do not include for costs associated with provision of CHP and PV as these are to be provided by an Esco