energy efficiency rating, then perhaps the cost of how much it would be to make it energy efficient should be knocked off the asking price? it should be knocked off the asking rice? . :. should be knocked off the asking rice? , :, , ., price? it is an interesting idea, particularly price? it is an interesting idea, particularly as price? it is an interesting idea, particularly as energy - price? it is an interesting idea, particularly as energy prices i price? it is an interesting idea, l particularly as energy prices take up particularly as energy prices take up so much more of people s household bills now. most houses by 2030 or even 2050, will have already been built and are pretty old and are in need of retrofitting. we need more builders capable of doing the work, the more work that is done, the cheaper it will get, the cheaper the cheaper it will get, the cheaper the materials will get and it makes a lot more sense for the country as a lot more sense for the country as a whol