Energy label knowledge base
Welcome to the Hollands Duurzaam knowledge base. Here we explain the key energy label terms briefly and clearly — timeless background knowledge, written by a BRL 9500-certified advisor. Looking for up-to-date articles and tips instead? Visit our blog.
Terms
Energy label A to G
What do the label classes from A++++ to G mean, and which label will your home get?
NTA 8800 · coming soon
The calculation method behind the energy label since 2021.
EP-online · coming soon
The official register in which every energy label is recorded.
Primary fossil energy use · coming soon
The core value (kWh/m²/year) on which the label is based.
Popular articles
- What does an energy label cost in 2026?
- How long is an energy label valid?
- The NTA 8800 method: what is changing?
- When is an energy label required?
- Improving your energy label: which measures pay off?
Request an energy label?
At Hollands Duurzaam you pay from €220 for an official energy label including free improvement advice — a fixed all-in price, no travel costs within our service area. BRL 9500-MWA-W certified, registered directly in EP-online.