The digital twin cluster builds the core of the CDM for Real Estate and comprises information about the building structure, area measurements and equipment. It is the essential foundation for all other cluster as they directly link to it.

In the developing process of the digital twin standard so far, the following standards have been fully or partially integrated:

IFC, COBie, CAFM Connect, ISO81346, DIN 276, ebkp-h, IPMS.


The documentation cluster includes all data regarding the process of capturing, storing, classifying, and retrieving documents, word processing files, and digital images.

It is important to enable centralized storage and streamlined search and retrieval options.

The energy and resource consumption including greenhouse gas emissions and further sustainability related indicators. This ranges from individual data on energy consumption, water consumption, waste output or fugitive emissions to data about past and future amount of heating and cooling degree days. Allowing for potential climate normalisation and projection of the energy demand. Besides, this cluster also focuses on the calculation of CO2-equivalents, possible retrofit measures, circular economy and their impact on the building.

The facility management cluster comprises data about the management of buildings and its requirements throughout the whole building life cycle stages. The focus lies on managing different services to reduce operating and managing costs. Information about the technical availability of all building systems to increase the yield of a building or ensure long-term value retention of the building are part in this cluster as well.

The financial cluster includes all information about the financial activities and position of the business/entity. The focus also lies on a standardized account structure to allow industry wide comparison. This data is particularly useful for internal management to analyze the business performance and determine whether tactics and strategies must be altered.

The following standards have been fully or partially integrated: IFRS, MSCI, gif.

The investment and transaction management cluster focuses on information about acquisition and funding of real estate within the scope of given investment guidelines.

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The organisational management cluster comprises information about different business partners including tenants and service providers. It helps managing all kinds of contacts and addresses linking them to corresponding areas within the data model.

The project management cluster stores all information about internal or external projects. The focus lies on scope, milestones, budget as well as optimizing the allocation of necessary inputs and apply them to meet pre-defined objectives.

The property management cluster comprises data about the operation, control, and oversight of the real estate. This includes information about lease contracts, rental payments, and all sorts of tenant communication. Currently, the focus strongly lies on tenant relationship.

The following standards have been fully or partially integrated: gif, RICS

This cluster has been published with the IBPDI CDM 1.0 release.

Portfolio and asset management stores all information about managing and overseeing the whole or a portion of the real estate portfolio. It also includes information about the portfolio strategy the organization is following so that financial or other company goals can be tracked, evaluated and if needed adjusted.

The following standards have been fully or partially integrated: gif, RICS.


This cluster has been published with the IBPDI CDM 1.0 release.


The user and customer experience cluster stores all information about the tenant or employee satisfaction. Additionally, all workplace related data as well as occupancy will be covered in this cluster.