Kaufpreissammlung (collection of property purchase prices) - apply for access to the automated retrieval procedure
Kaufpreissammlung - Zugang zum automatisierten Abrufverfahren beantragen
Machine translation of the German page, 2026-09-15. The German original is binding.
Current notes on this service
Notice regarding a disruption to online processing
A technical fault occurred in the online application process for this service between 11 and 12 March 2026, and between 14 and 16 March 2026:
After entering all the data, the person was unable to submit the application digitally to the responsible specialist authorities at the end of the process. As a result, the affected customers cannot receive the administrative services they ordered.
The technical fault was resolved promptly.
Please check whether all of the following points apply to your order:
1. You applied for this service online from
Wednesday, 11.03.2026, 20:00 to Thursday, 12.03.2026, 8:30, or from
Saturday, 14.03.2026, 19:45 to Monday, 16.03.2026, 3:45.
2. You were unable to submit the application to order the service and received an error message.
3. You have not yet received the service or a Bescheid (official notice/decision) from the competent specialist authority.
If all three points apply to you, please apply for the administrative service again.
Book an appointment
Book an appointment (service.berlin.de)
Requirements
• You are already registered for "AKS Online". aks-berlin.all-for-one.com/aks-online
• You repeatedly require information from "AKS Online".
• Authorization for block-related information
For the block-related retrieval procedure, access may be granted to all property valuation experts (Sachverständige der Grundstückwertermittlung) who repeatedly need information for the lawful performance of their valuation tasks and who can credibly demonstrate this need as well as their reliability.
• Authorization for property-related information
Access permission for the property-related retrieval procedure is granted to all experts who belong to one of the following groups of persons:
• a person appointed/sworn in as an expert for property valuation by a chamber,
• an employed person of an authority or institution under the supervision of a state (Land) or federal authority who is entrusted with property valuation,
• a certified real estate expert in accordance with DIN EN ISO/IEC 17024, whose accrediting body is accredited
• Legitimate interest
A legitimate interest is assumed in particular when authorities or publicly appointed and sworn experts (öffentlich bestellte und vereidigte Sachverständige) or certified experts are involved in a valuation in the course of performing their duties.
• The data provided as part of the information must be used appropriately and only for the stated purpose. The data may not be passed on to third parties.
Documents you need
• Application for access to AKS Online
You can submit the application either online or in writing by post.
• For online submission: please have all required documents and proof ready to upload in the formats PDF, JPG, JPEG, PNG or DOCX. The total size of your files must not exceed 30 MB. A single file may be no larger than 5 MB.
• For the block-based retrieval procedure: excerpt from three appraisals you have prepared
Copies of the first pages of three appraisals you have prepared, as proof of repeated activity in property valuation.
• For the property-based retrieval procedure: proof such as a certificate or certificate of appointment (in copy)
Forms
• Application for AKS Online (Automatisierte Kaufpreissammlung – automated purchase price collection), block-based retrieval procedure www.berlin.de/gutachterausschuss/service/artikel.162509.php
• Application for AKS Online, property-based retrieval procedure www.berlin.de/gutachterausschuss/service/artikel.162509.php
Fees
None
Legal basis
• Baugesetzbuch (BauGB, Federal Building Code) § 195 www.gesetze-im-internet.de/bbaug/__195.html
• Verordnung zur Durchführung des Baugesetzbuchs (DVO-BauGB, Ordinance Implementing the Federal Building Code) § 16 para. 5 gesetze.berlin.de/bsbe/document/jlr-NNLBE00004C60
Processing time
Within one week
Further information
• Information on AKS Online (Gutachterausschuss für Grundstückswerte in Berlin — Expert Committee for Property Values in Berlin) www.berlin.de/gutachterausschuss/service/informationen-zur-a
Responsible for you
Choose a location; the appointment itself is booked on the original page.
- Senatsverwaltung für Stadtentwicklung, Bauen und Wohnen
- Geoinformation
Original
Service number 351086 · same path as the original: service.berlin.de/dienstleistung/351086/