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Authority for urban development and housing

Apply for project-related type approval and approval in individual cases

If there is no generally valid approval for your construction product, you can apply for approval on a case-by-case basis.
If there is no generally valid type approval for your type of construction, you can apply for a project-specific type approval.

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Detailed description

You need approval in individual cases or a project-related type approval (vBG) for a specific building project if it involves innovative or non-standardized construction methods. The notices regulate the use of building products or types of construction that do not comply with the generally accepted rules of technology or for which there is no general building authority proof of usability.

With approval in individual cases or project-related type approval, you have the opportunity to implement individual and innovative solutions in construction without violating building regulations.

Possible applications for which you require approval on a case-by-case basis or project-related type approval include:

  • Construction project in which a new insulation material is used that has not yet been approved by the building authorities
  • use of a fire curtain
  • Use of concrete with 100% recycled aggregate
 

Information

Prerequisites

  • You need approval in individual cases or project-related building permits for a specific, concrete construction project.
  • You require approval in individual cases or project-related type approval for a construction product or a type of construction that does not comply with the established technical building regulations or for which no general building supervisory approvals (abZ), general type approvals (aBG) or general building inspection certificates (abP) are available.
  • The construction project meets the requirements of the state building regulations, particularly with regard to safety, environmental and health protection.

Documents required

  • detailed technical description
  • material and construction specifications as well as execution plans
  • static proofs
  • where applicable, test reports or expert opinions or
  • object-related test report from a testing, monitoring or certification body recognized by the building authorities in the respective area
  • if applicable, proof of usability
  • if necessary, building permit
  • if necessary, proof of stability

Please note

If you withdraw your application or it is rejected, you will still have to pay the fees.

Deadlines

Submit your application early, well before the planned start of the construction project.


You need the permit to start installing the construction product or structure.

Procedure

  • You can use the online service to submit your application.
  • You submit the application for approval in individual cases or project-related type approval with all necessary documents to the competent authority.
  • The responsible authority will examine your application and documents. If necessary, it will request further documents or information from you.
  • The responsible authority will decide on your application.
  • You will receive a notification.
  • You will receive a fee notice.

Processing time

The processing time is usually 4 to 8 weeks.


It usually takes 10 to 15 minutes to submit the application online.

Fees

Fees apply.


The amount of the fees depends on the administrative effort and is between EUR 500.00 and EUR 7,500.00.

Legal remedies

contradiction

Legal basis

§ 20c of the Hamburg Building Code (HBauO)

https://www.landesrecht-hamburg.de/bsha/document/jlr-BauOHA2005V12P20




§ 19a Paragraph 2 of the Hamburg Building Code (HBauO)

https://www.landesrecht-hamburg.de/bsha/document/jlr-BauOHA2005V12P19a

Address and contact information

Authority for urban development and housing

Office for building regulations
construction technology, structural engineering and building technology

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Last updated: 19.04.2025