Leading voices on developments in home design have claimed that green-oriented changes have a new and high premium on them.Reflecting on new trends in consumer demand and in minimum green building regulations, the Royal Institute of British Architects (RIBA) claimed that housing developers had more and more incentives to revamp homes in an environmentally friendly way.Ewan Willars, head of policy at RIBA, said With climate change at the moment, if you can respond to the challenge regarding climate change at the moment, its a real marketing and business opportunity.Highlighting the problems that some smaller firms may have in keeping up with stringent regulations, Mr Willars said that all would need to adapt as the energy-efficient home design offered by some within five or ten years will be regulation.Homeowners soliciting professional home design advice or going about changes themselves are currently engaging more and more with energy efficient and environmentally-friendly design, especially in communal areas like the kitchen which can have high waste and electricity-usage.Signs of the changing tide are evident in RIBAs internal standards, now upheld by the accounting of energy efficiency in any design entered into the organisations Stirling Prize award scheme.