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17-25 October 2026

G3 - Building Happiness Score

A method that shows how well a building meets the needs of the people who use it.

Hosted by Heijmans

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This project is part of
Designing Society

Entrance fee

DDW ticket required

Accessibility

Fully wheelchair accessible

Opening hours

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G3 - Gebouwgeluksgetal
G3 - Gebouwgeluksgetal
How well does a building meet the needs of the people who spend time there? Together with scientists and designers, Heijmans developed G3, the Building Happiness Score, shifting the focus from the building to the people who use it.

Beyond what we can measure

We spend a large part of our lives in buildings. We work or learn there, and we meet others to play sports or to relax. Yet we often judge buildings by things that are easy to measure: energy use, temperature, air quality or square metres. But what does that tell us about how people actually feel?

A building can perform well technically and still not be a pleasant place to spend time. That is why Heijmans wants to better understand how buildings can support our wellbeing. Together with experts
Together with experts in science and designer Govert Flint and architect Thijs van der Lely of ADL_VDL, Heijmans developed G3, the Building Happiness Score. The method brings together the needs of users and the characteristics of a building to show how well the two align.

Starting with people

What matters more than the score itself is what it reveals. Why does one place give you energy while another leaves you drained? Why does one person feel at ease in a space while someone else feels restless?

G3 helps us better understand this relationship and shows which changes could make a real difference. It offers a different way of thinking about design, interiors and building management: start with the people who use a building, not the building itself.

During Dutch Design Week, you can explore that relationship for yourself. What does a building need to support your wellbeing?

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By

Heijmans

Hosted by

Dutch Design Foundation i.s.m. ActiZ, GGD Brabant, Heijmans, Pilot duurzame CAO Rijk, PONT, PWN, VVT Platform Zuidoost-Brabant, Un/School
fiona.vandegeijn@dutchdesignfoundation.com
(+31) 040 296 11 50
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Download press kit

About Heijmans

The G3 method was developed by Heijmans with Erasmus University Rotterdam, Rever Workplace Innovators, neuroarchitect Govert Flint, architect Thijs van der Lely of ADL-VDL, and AI specialist DeltaCore Solutions. In this way, Heijmans pools expertise with partners to deliver innovative solutions.

Colofon

Project owner Heijmans
Partners Erasmus Universiteit Rotterdam, Rever Workplace Innovators & DeltaCore Solutions
Designers and design studios involved G3 project design: Govert Flint i.c.w. architect Thijs van der Lely (ADL_VDL). Expo design: Raw Color.

Partners

Sponsored by G3 - Building Happiness Score