Mandatory Certificates for Buildings
- Info Oktow
- Mar 7
- 1 min read
Updated: Mar 10
Our Type D energy experts create an EPC NR and issue a certificate that is valid for 5 years.
We follow this up with energy monitoring and Oktow Services as part of our standard services.

EPC NR, energy-efficient commercial buildings.
Oktow is proud of its label as a recognized energy expert for delivering EPC NR certificates for commercial (non-residential) buildings. In function of the mandatory reporting of the share of renewable energy in your building, we provide the necessary energy measurements. We map the energy performance accurately and transparently, so that it can be included in your EPC NR report in accordance with the requirements.

