Overview

• District heating costs for a model 70-square-meter apartment rose by an average of 27% in 2024, reaching €1,055, according to Ista's analysis of 900,000 bills.
• Gas heating costs increased by nearly 7%, while oil heating costs dropped by over 12% during the same period.
• The expiration of energy price brakes in late 2023 and the VAT normalization in March 2024 contributed significantly to the cost increases.
• Frankfurt's energy supplier Mainova announced a further district heating price hike of up to 36%, effective July 1, 2025, to fund network expansion and decarbonization initiatives.
• A YouGov survey shows 42% of tenants anticipate heating costs rising up to 20% next season, with 18% expecting increases exceeding 20%.