NatWest and Barclays, for example, are major lenders which are offering these kind of products.
Eligibility for green mortgage deals often hinges on the energy performance certificate rating of the property.
But as the Government explores its plans, it could be the case that green home improvements become much more central to mortgage rates.
Katie Brain, insight analyst at Defaqto, also discussed the matter, and said: “The idea of green mortgages have been quite topical, recently.
“Providers are offering incentives for more energy efficient properties, which could be a good way of enticing more people.
“Quite often, this will come either in the form of cashback or some sort of lower rate of interest.