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Demo-BLog · Project

Digital Building Logbooks for Energy Efficiency and Circular Construction Management

constructionPilotedTRL 7

Imagine if every building had a digital passport that tracked everything from the materials used to its energy history. Instead of digging through old paper files, owners and builders can see exactly what's inside a wall or how to make a room warmer. It's like a health record for a house that helps people save energy and reuse materials.

By the numbers
4.5 million
registered building units
5
different digital building logbooks
17
consortium partners
The business problem

What needed solving

Building owners and managers lack a common digital repository for data, leading to high costs and inefficiencies during renovation, operation, and financing. This information gap slows down the transition to climate-neutral building stocks.

The solution

What was built

Five digital building logbook functionalities: automated renovation advice (Clea, Chimni), decarbonization roadmaps (Capsa), community decarbonization platforms (Woningpas), and circularity marketplaces (Cirdax).

Audience

Who needs this

MunicipalitiesArchitectsBuilding ProfessionalsHomeownersCircular Economy Startups
Business applications

Who can put this to work

Real Estate & Property Management
enterprise
Target: Property Management Firm

If you are a property manager dealing with high renovation costs and missing building data — this project developed digital building logbooks that provide automated renovation advice and decarbonization roadmaps. This reduces inefficiencies in operating and financing buildings across 4.5 million registered units.

Construction & Demolition
SME
Target: Circular Construction Contractor

If you are a contractor dealing with construction waste and material loss — this project developed circularity marketplaces like Cirdax. This allows for better resource optimization and waste reduction by tracking materials throughout the building lifecycle.

Energy Services
mid-size
Target: Energy Efficiency Consultant

If you are a consultant dealing with inaccurate energy performance predictions — this project developed tools for community-driven decarbonization and smart readiness indicators. This enables more precise performance prediction and energy management for homeowners and municipalities.

Frequently asked

Quick answers

What is the cost or pricing model for these logbooks?

Based on available project data, specific pricing or cost structures are not mentioned; the project focuses on the development and demonstration of the functionalities.

At what scale has this been tested?

The project brings together 5 different digital building logbooks covering a total of 4.5 million registered units across 5 countries.

How is the intellectual property or licensing handled?

Based on available project data, there is no specific information regarding IP or licensing agreements for the developed software.

How does this integrate with existing building tech?

The system is designed to embrace future technologies including BIM, IoT, digital twins, and blockchain for enhanced data access and export.

What is the timeline for full deployment?

The project period runs from 2023-01-01 to 2026-12-31, with current work focusing on testing functionalities in real-world settings.

Consortium

Who built it

The consortium is heavily industry-weighted with 9 industrial partners (53% ratio), including 7 SMEs. This strong commercial presence, combined with 1 university and 3 research centers across 5 countries, suggests a high focus on market viability and practical implementation rather than pure academic research.

How to reach the team

Contact Technische Universiteit Delft

Next steps

Talk to the team behind this work.

Contact us to connect with the Demo-BLog consortium for pilot integration.