Bristol property may be more eco-friendly as a result of home information packs (HIPs).
According to Mike Ockenden, director-general of the Association of Home Information Pack Providers, the majority of homeowners have found the packs to be a helpful guide in reducing their environmental impact.
The expert suggested that 30 per cent of buyers and sellers polled claimed they have implemented one of the recommendations in an energy performance certificate.
Commenting on this, he remarked: "That to me says that HIPs are actually helping to reduce carbon emissions."
He added that consumers like HIPs and many of the costs involved in them are not new.
The packs provide buyers with key information on the property they intend to buy and they must be provided by the seller or the seller's agent.
They contain a number of compulsory items, including evidence of title and a sale statement, as well as sustainability information for newly-built homes.