Cycle de conférences de la filière d'architecture de la HEIA-FR / AgwA, Benoit Vandenbulcke

Cycle de conférences de la filière d'architecture de la HEIA-FR / AgwA, Benoit Vandenbulcke

🎙 Benoit Vandenbulcke (AgwA) 👥 2K 📅 April 29, 2026 ⏱ 79 min 👁 96 📄 expert opinion 🧭 2026-08-13
Available in: English (current) Français

Keywords

transformationadaptive reusearchitectureenergygrey energyschoolBrusselsLiègeAgwA

Summary

In this lecture, Benoit Vandenbulcke of the Brussels-based architecture firm AgwA presents four projects centered on the transformation of existing buildings. He begins by discussing the firm’s philosophy, emphasizing the importance of working with existing structures rather than demolishing them. He introduces the concept of ‘grey energy’ and presents a calculation showing that it takes over 100 years for a new energy-efficient building to offset the energy embodied in a demolished one. The first project is the transformation of a 1970s office building into a secondary school in Brussels, where the firm reused interior partitions and other materials, achieving a high-quality result in a short timeframe. The second project is a similar transformation of an office building back into a school in Liège, where they preserved existing wooden joinery and created a passage through the building. The lecture highlights the challenges and opportunities of working with existing structures, including dealing with norms, budgets, and unexpected conditions. Vandenbulcke argues that transformation is not just a sustainable choice but also a way to create unique and adaptable spaces. The talk concludes with a discussion of the firm’s approach to design, which is more about strategy than theory, and the importance of embracing the existing context.

203 words

Critical Evaluation

Value of the Information & Strength of the Argument

The lecture provides valuable insights into the practice of architectural transformation, supported by concrete examples and technical details. The argumentation is solid, as the speaker explains the reasoning behind each design decision and the benefits of reusing existing structures. The discussion of grey energy is particularly compelling, as it challenges common assumptions about sustainability. The speaker also addresses practical challenges, such as working with public procurement and tight timelines, which adds credibility to the presentation.

Scientific Rigor, Source Quality, Title Accuracy

The lecture is based on the speaker’s professional experience and does not cite external sources. However, the projects presented are real and have been recognized with awards, which lends credibility. The title accurately reflects the content, as it is a lecture on architectural transformation by AgwA. The presentation is well-structured and the speaker is knowledgeable, but the lack of citations limits the scientific rigor.

154 words

Title / Content Match

The title accurately reflects the content: a lecture by AgwA on architectural transformation, presented at HEIA-FR.

Quality & Reliability

8/10

The speaker is a practicing architect with a recognized award (Mies van der Rohe) and provides concrete project examples with technical details. The talk is based on professional experience rather than peer-reviewed research, but the arguments are coherent and grounded in practice.

Key Moments

Contribution & Novelties

The lecture offers a practical perspective on architectural transformation, emphasizing the reuse of existing materials and structures. It introduces the concept of grey energy as a key argument for renovation over demolition. The presentation of real projects with detailed explanations provides valuable insights for architects and students.

Pour aller plus loin :

  • Adaptive reuse — Overview of the practice of reusing buildings for new purposes.
  • Embodied energy — Definition and relevance of embodied energy in construction.
  • Mies van der Rohe Award — Official site of the European Union Prize for Contemporary Architecture, which AgwA recently won.

96 words

Radar Profile

The radar profile shows high scores in quality of information and reliability, reflecting the speaker's expertise and the concrete examples provided. The quantity of information is moderate, as the lecture focuses on a few projects in depth. The technical level is moderate, accessible to a general audience but with some technical details.

Reliability 8/10