Fitting a property with measures recommended by E.ON could make it more attractive to tenants while benefiting landlords as well.
According to the Energy Saving Trust, a home which performs well on its Energy Performance Certificate an assessment of how efficient a home is at using electricity could save tenants up to £700 a year on energy bills.
As a result, the property will be more interesting to prospective tenants.
A survey by the EST revealed that eight out of ten tenants would hesitate before renting a house which performed poorly on its EPC, while 85 per cent would use that as a negotiating tool to demand for a 20 per cent price cut.
E.ON suggests simple measures to improve a homes efficiency.
The publicly-owned company's Interactive Home website shows that reflector panels behind radiators could cut heat loss and save £14.34 from energy bills each.
It also suggests that double glazing could save on average £90, as could loft insulation, which reduces the amount of heat escaping through the roof.
