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Energy performance ratings and house prices in Wales have been a hot topic of discussion for a while now. Energy performance rating is a measure of how efficiently a property uses energy, rated from A (most efficient) to G (least efficient). For several years, there has been a growing demand for energy-efficient properties and a surging interest in monitoring and regulating energy consumption and carbon emissions. And with this growing demand came questions on how energy performance ratings affect house prices in Wales.

Energy performance ratings and their influence on house prices

Energy performance rating (EPR) is an essential factor in today's property market as more and more buyers focus on buying properties that are energy efficient. The Energy Performance Certificate (EPC) contains information about a property's energy usage and carbon dioxide emissions and gives a property an EPR between A and G. A better EPR score (A or B) means the property uses less energy and has lower carbon emissions than an unsatisfactory rating (F or G). Higher EPR scores lead to a lower carbon footprint, lower energy bills for homeowners, and a more sustainable lifestyle.

Studies show that a house's energy efficiency rating affects its value, with homes with better EPR scores commanding higher prices on the property market. A study from the Department of Energy and Climate Change found that moving from a G-rated property to an A-rated dwelling adds an average of £16,000 to the property's value in the UK. The study also concluded that there is a positive relationship between high EPR ratings and high house prices.

The Welsh perspective

In Wales, the Welsh Government introduced the Minimum Energy Efficiency Standards (MEES) in 2018. The new standards require landlords of privately rented homes to improve energy ratings from an F- or G-rated to at least an E-rated property before letting it out. The MEES initiative aims to improve the energy efficiency of rental homes, reduce energy waste, and cut carbon emissions.

The Welsh Government also launched the National Survey for Wales to collect data on the EPC ratings of homes in the region. The survey revealed that Cardiff has the most energy-efficient homes, with 74% of the properties achieving an EPR rating of C or above. Newport and Swansea both had 70% of their homes achieving the same rating, while Wrexham was the least energy efficient, with just 53% of the properties in the area achieving an EPR rating of C or above.

Looking at the Welsh property market, research from Property Solvers revealed that properties in Wales with better EPR ratings tend to sell faster than those with lower ratings. The study showed that homes with better EPR ratings spent about 16 fewer days on the market than older and less energy-efficient properties. The study concluded that energy-efficient homes could be a more attractive investment proposition for Welsh property buyers than homes with inefficient energy ratings.


Energy performance ratings have become increasingly important in the Welsh property market. With the Welsh Government introducing policies aimed at incentivizing landlords to make homes more energy-efficient, buyers are becoming more aware of the environmental and economic benefits of investing in energy-efficient properties. As the market is moving towards cleaner and sustainable energy sources, homes with higher EPR ratings are becoming a more appealing investment proposition. In conclusion, the data indicates that energy performance ratings are positively correlated with house prices and will continue to play a crucial role in the Welsh property market.