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November 27, 2025
A home with energy label G is significantly outdated in terms of energy performance. These homes were often built before the war or have hardly been improved for decades. As a result, a lot of heat is lost, installations are outdated, and energy costs are much higher than necessary.
The G label is the only red label and is therefore considered very unfavorable. Homes with this label consume significantly more energy than necessary, which is directly reflected in your monthly costs and comfort.
A home with energy label G typically consumes more than 380 kWh per m² per year. This is two to three times as much as homes with energy label A. This high consumption is caused by a combination of poor insulation, outdated installations, and heat loss in many places in the home.
The good news: a G label can almost always be significantly improved. Sometimes even in several steps at once. With targeted measures, you can quickly make big leaps towards label E, D, C, or even higher.
Although it may feel overwhelming at first, investing in energy efficiency pays off in the long term: lower energy costs, greater comfort in your home, and a higher property value. Renewable Partners helps you determine which measures are most efficient for your type of home and budget.
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The difference lies mainly in the degree of insulation and the proportion of sustainably generated energy. An A label can be achieved with good insulation and an efficient installation. For A+++, more is needed: a large proportion of the energy must be generated sustainably, for example with solar panels and a heat pump.
The energy label is determined based on the fossil energy consumption of the home, expressed in kWh/m² per year. For an A label, this value is between 105 and 160 kWh/m² per year. With good insulation, an A label is easily achievable. Homes built after 1991 often already have sufficient basic insulation to fall into this category. Solar panels are therefore not necessarily required to achieve an A label.
Practical experience – reliable energy expertise and results-oriented collaboration
A home with energy label G is significantly outdated in terms of energy performance. These homes were often built before the war or have hardly been improved for decades. As a result, a lot of heat is lost, installations are outdated, and energy costs are much higher than necessary.
The G label is the only red label and is therefore considered very unfavorable. Homes with this label consume significantly more energy than necessary, which is directly reflected in your monthly costs and comfort.
A home with energy label G typically consumes more than 380 kWh per m² per year. This is two to three times as much as homes with energy label A. This high consumption is caused by a combination of poor insulation, outdated installations, and heat loss in many places in the home.
The good news: a G label can almost always be significantly improved. Sometimes even in several steps at once. With targeted measures, you can quickly make big leaps towards label E, D, C, or even higher.
Although it may feel overwhelming at first, investing in energy efficiency pays off in the long term: lower energy costs, greater comfort in your home, and a higher property value. Renewable Partners helps you determine which measures are most efficient for your type of home and budget.
Practical experience – reliable energy expertise and results-oriented collaboration
I have experienced Renewable Partners as a reliable and professional party in the field of sustainable energy. They think along well, are transparent in their communication, and deliver customized solutions that really meet the need.
Professional and readily available for questions. I am very satisfied with the service and can recommend the company. Kind regards,
While my energy label doesn't matter at all, new residents are going to renovate the entire house, Nik has still made a thorough and clear report of my old farmhouse. TOP job. Thanks
The energy label inspector is a highly skilled professional who knows his trade. We were helped well and quickly with his advice. The reactions of this company are praising the price, the lowest, and the service, downright TOP!
The recording was done carefully. All documents and construction dimensions were checked/recorded by the advisor Ronan van der Loo. And good advice was given. He finished the recording within 2 hours.
