Plain-English guides to the German energy performance certificate (Energieausweis): who needs one, what it costs, how the classes work and how to order online.
8 articles
Consumption or demand certificate
Two figures, one unit, different levels: what the primary energy factor does, which figure sets the efficiency class and what goes in adverts from 2027.
Consumption or demand certificate
The certificate covers the whole building, not your flat. Who obtains it, who pays and what you still owe personally when you sell.
Consumption or demand certificate
When a commercial or office building needs a certificate, when it must be displayed and why the consumption certificate for it ends in late 2026.
Consumption or demand certificate
Ordered online, it is the same official certificate. What the law requires of the issuer, which details you need beforehand and when online does not work.
Consumption or demand certificate
The class follows solely from the final energy value per square metre of usable floor area. All nine boundaries from A+ to H — and why A to G is not for homes.
Consumption or demand certificate
What an energy performance certificate is, who needs one, which type applies, what it costs and what changes on 1 January 2027 — the overview for owners.
Consumption or demand certificate
The official form has five pages. Where your energy figure is, what the efficiency class means and how to recognise a complete certificate.
Consumption or demand certificate
Year of construction and number of flats decide whether you have a choice — and from 1 January 2027 new rules apply. Both types, criterion by criterion.
