The Building Passport Platform

Closing the Data Gap for Decarbonisation Strategies

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CAPSA is a digital building passport data platform

A digital building passport is a database in which all relevant data is held by the building owner in a digital and processable format. The passport combines modules for data collection during site visits, artificial intelligence data matching, and energy infrastructure data to generate a holistic and detailed data picture of a building with minimal time investment. By adding more information during maintenance visits and thanks to the semantic logic engines, which update the data with each entry of comparable buildings, your knowledge about your building is constantly growing. CAPSA evolved from research projects at leading European universities and we continue to implement state of the art innovation and technology. 

CAPSA’s modular design maximizes control

You have control over your data. Information collected via CAPSA is owned and managed by the building owner and resides in a secure data management system. Our user access governance standards allows the sharing of data with partners on your terms.

Being modular means, that you can customize CAPSA to your needs. Whether you are focused on new data collection or management of existing data.

Export data to your ERP system? Provide building data to a planning office or energy consultant? Use data for a sustainability report? With CAPSA, one click is all it takes. 

CAPSA provides tools for easy data collection

Lacking information and data about your buildings? We know that data availability in the buildings sector is scarce. CAPSA’s smartphone application allows robust data collection by anyone – experts and non-experts alike. Our intuitive collection app provides a user interface that spans simple data entry to detailed component tracking.

This information capture system is combined with artificial intelligence-based data to augment collected data and stocks as well as connect and assess energy infrastructure information.

Are ground-based heat pumps eligible at my site? How deep can I drill? Is a district heating system planned? CAPSA’s power tools will know.

CAPSA provides a whole life carbon view of your property and its decarbonization options

Do you need insights in how to set and achieve carbon and climate targets for your buildings? CAPSA can tell you about your property’s carbon performance and strategies impact. This includes the operational as well as embodied carbon emissions, an energy balance and much more.

Based on this information and combined with infrastructure data, CAPSA can make proposals for decarbonization strategies. This includes energy efficiency retrofit options and choices for switching to renewable energy carriers.


We are a group of building and IT experts coming from industry and academia who are seriously concerned about the lack of data in the buildings sector. We want to provide solutions to those looking to better understand their buildings and to take actions to improve energy performance and reduce carbon emissions. Developed through our prototyping with a group of interested property owners and combined with decades of experience with data collection across the buildings sector together and independently we have developed an advanced solution for buildings data capture and analysis for the residential and commercial buildings sector. Our group also operates the largest digital building passport for food retail stores in Europe.

Elie Asmar

Frederik-Matti Bartels

Isabelle Dubar

Patrik Emanuelsson

Andre Harmsen

Sascha Henning

Sofia Hervéus

Jesper Johansson

Emil Jerkersson

Tommie Månsson

Christian Marx

Alice-Kate Middleton

Anton Myrberg

York Ostermeyer

Anders Petersson

Tano Roth

Angelina Röser

Tom Wranger

Antonia Yoselevski

CAPSA Partners

We are actively engaged in advancing the CAPSA system through our work in research and development projects with the Horizon Europe framework as well as with the United Nations Environment Programme (UNEP) and the Global Alliance for Buildings and Construction.

In these projects we work with partner such as TU Delft, University College London, VITO, the Building Performance Institute Europe (BPIE), the World Business Council for Sustainable Development (WBCSD) and the German Society for International Cooperation (GIZ).

We are working with a range for building portfolio owners, such as social housing associations and real estate companies, to closing data gaps and building their decarbonization strategies.

With funding from the European Investment Bank (EIB) we are working with 13 social housing providers (who control over 50 000 dwelling units) to support their data inventory needs. We are also working with Hypoport on data capture as part of their providing the green finance concept for the transformation.

Our partners share our vision that the time for action in transforming and decarbonizing the built environment is now. And that digitization is one of our most powerful tools to increase transparency, identify opportunities and thereby speed up decision processes.

Our partner, Dr. Klein Wowi Digital AG, won 2nd place for the CAPSA use case in the housing industry at the Young Gun Award as part of the GdW (Federal Association of German Housing and Real Estate Enterprise Registered Associations) WohnZukunftsTag 2021.

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