The Ber scale runs from A, the most energy-efficient and comfortable rating, to G, which is the least energy-efficient rating with the highest energy bills. The report, published on Friday ...
It found that out of the 240,000 to 260,000 rented properties with BER below B2 ... The costs of upgrading to a B-rating vary substantially but are estimated to be 43,000 euros on average for G-rated ...
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