This English text is a translation for your convenience. The German version is legally binding.
R|R Architektur + Büro, owner Danny Ribbe, Hedwig-Porschütz-Straße 10, 10557 Berlin, Germany, phone +49 176 726 193 84, e-mail info@r-rarchitektur.de.
This website uses no cookies, no tracking or analytics services and does not embed any content from third-party servers. The calculators on this website run entirely in your browser. When you move from the calculator to the enquiry, we store your calculation in your browser (local storage, entry "rr_rechner") so that it appears in the enquiry form. This storage is necessary for the transfer you have requested (§ 25 (2) TDDDG). The entry is deleted after the enquiry has been sent, at the latest the next time the form is opened after 7 days, and you can delete it yourself in the form at any time. The details are only transmitted to us when you send the enquiry.
The English pages of this website are a translation for your convenience. They are served from the same server, no translation service is involved. The German version is authoritative.
This website is hosted by IONOS SE, Elgendorfer Str. 57, 56410 Montabaur, Germany. When the website is accessed, IONOS automatically processes server log files (IP address, date and time, page accessed, browser type) to the extent necessary for technical operation and security. The legal basis is Art. 6 (1) (f) GDPR (legitimate interest in secure operation). A data processing agreement (Art. 28 GDPR) is in place with IONOS.
If you use our enquiry form or contact us by e-mail, we process the data you provide (name, e-mail address, phone number, details of your plot and building project) in order to handle your enquiry and for pre-contractual measures. The legal basis is Art. 6 (1) (b) GDPR. Name and e-mail address are required to handle the enquiry, all other details are voluntary. We delete the data as soon as it is no longer needed for handling the enquiry and no statutory retention obligations (e.g. § 147 AO, § 257 HGB) prevent this.
Your data is passed on to third parties only where this is necessary to perform the contract (e.g. to specialist planners commissioned by you) or where we are legally obliged to do so.
You have the right of access (Art. 15 GDPR), rectification (Art. 16), erasure (Art. 17), restriction of processing (Art. 18), data portability (Art. 20) and the right to object to processing based on Art. 6 (1) (f) GDPR (Art. 21). You also have the right to lodge a complaint with a data protection supervisory authority, the competent authority is the Berlin Commissioner for Data Protection and Freedom of Information, Alt-Moabit 59–61, 10555 Berlin.
Last updated: November 2026