Recent research and claims from the RICS that some energy measures recommended in EPC’s may take up to 208 years to recoup costs has been widely commented on – in Saturdays Telegraph,(solar heating saves energy, wastes money) in Building but with more astute comment from Phil at SustainabilityBlog and at CarbonLimited.

This approach obviously damaging to the homeowners motivation in improving existing housing stock, or indeed other environmental initiatives, and maybe another eco-harmful shot in the foot from the RICS
There is also the underlying debate about the method of calculation of energy savings, and indeed energy costs.  Following the debate through CarbonLimited and the Grist article that argues electricity costs are political and not economic