February 29, 2024
Service and advice center
Our central service and advice center is now available for you from Monday to Friday by telephone (0611) 316300.
You can reach us by telephone:
| Monday to Friday | 9 to 12 o'clock |
| Wednesday | 1 to 4 p.m. |
Telephone: 0611 31-6300
If you would like to visit us in person to hand in your documents or receive advice, please make an appointment using our online appointment request form.
You can also use our contact form to tell us about your request and we will get in touch with you as soon as possible:
You can also send an e-mail directly to the building consultancy:
You can find everything you need to know about approval procedures and building advice here: