Energy-efficient homes worth almost 100,000 more on second-hand market, new report reveals

"There is a premium of close to €100,000 for a home with a high energy rating compared with one which is less efficient to heat. The average sale price for all types of homes was €390,000 in the last three months of last year. This was up €20,000 on the same period in 2024, according to the data obtained from the State's property price register by Dublin-based data and home valuation company Geowox."

"The median, or typical, sale price last year for a home with a Building Energy Rating (BER) of between A and B was €450,000, a €95,000 premium on the sales price for homes with BER rating of C to G. Homes with lower ratings typically sold for €355,000 last year, Geowox said. This is a 27pc difference. This energy-based comparison excludes new homes to gain a more precise understanding of the energy-efficiency premium, the data experts said."

"New homes now cost €440,000 on average, up 5pc on the same quarter in 2024. New homes sold for an €85,000 premium over the median for existing homes. This makes new homes nearly 24pc more expensive than existing homes. Purchasing prices for apartments were up by 5pc in the year, to €336,000. A total of 16,186 homes were sold in the fourth quarter of last year. This is a fall of 8pc on the same period in 2024."

Homes with a Building Energy Rating (BER) of A or B sold for a median €450,000, a €95,000 premium over homes rated C to G, which had a median of €355,000, a 27% difference. The average sale price across all home types was €390,000 in the final quarter, up €20,000 year‑on‑year, representing a 5.4% annual increase. New homes averaged €440,000, up 5% year‑on‑year, and commanded an €85,000 premium over existing homes, nearly 24% higher. Apartment prices rose 5% to €336,000. Total transactions numbered 16,186 in the quarter, down 8% year‑on‑year. Dublin city median was €570,000; Longford €222,000; Dublin D6 €850,000; Dublin 10 €328,000.

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