Regenrechner

Request a free area comparison report

Free for the first 20 reports. We measure the roof and paved areas of your property on official aerial photos and compare them with your figures. You also get example sums; as assumptions, we use your answers on drainage. We email you the report. You decide yourself what you report to your town.

Where does the rainwater from the roof go?
Where does the water from the terrace and paths go?
Where does the water from the driveway go?
What paving do you mostly have?
Green roof

Please black out bank details, signatures, access codes and QR codes. We do not need a file number. You can also enter the figures in the fields above.

Free for the first 20 reports. We will confirm your free place by email. By sending this form, you request a free area comparison report under our terms of use. This is not a paid order.

We process the details we need to handle your request and to prepare and deliver the report on the basis of Art. 6(1)(b) GDPR. Uploading a notice is optional. Please black out personal details we do not need. Details on recipients, retention and your rights are in our privacy policy.