Housebuilders to be rewarded for going green in the Gateway | Archive Titles

The cost of going green
Stars/house type	% better than building regulations	Lowest cost (£)	Highest cost (£)
Three stars
Terraced house	25	1700	4000
High rise (over four storeys)	25	1500	6000
Four stars
Terraced housing	44	2300	13,000
High rise (over four storeys)	44	1700	16,600
Five stars
Terraced house	100
High rise	100	28,000	32,000
Note: these figures are based on the cost of bringing a house up to a certain standard after the initial design stage. They also only reflect the cost of bringing a home up to the required standard of energy-use.
Source: English Partnerships