The Living Building Concept (LBC) is a construction model that treats a building not as a one-off project with a handover date, but as a product that keeps moving with its users’ needs throughout its life. The concept was developed by Prof. Hennes de Ridder of Delft University of Technology.
The heart of the idea: in normal practice a building is designed once, procured on lowest price, handed over — and then the builder leaves the stage. Everything that changes afterwards is expensive alteration. The LBC inverts that.
The four principles
- The building as a cost-benefit generator across its life cycle. The measure is not the construction cost but the return over the whole period of use: building, operating, maintaining, adapting and finally reusing.
- Process thinking instead of project thinking. The building is managed continuously. Change of use, extension and the removal of parts are anticipated events, not emergencies.
- Transparency between the parties. Client, contractor and user share insight into what a decision costs in the longer term. Without that insight, the cheapest option today always wins.
- Trust and flexibility. The supplier stays connected to the building and delivers performance, not bricks. That requires a longer relationship than a procurement with a single handover moment.
What it means in building terms
The concept is not an aesthetic movement but a set of consequences for design:
- Separating the layers. Structure, facade, services and fit-out each have their own life span. Detail them independently and the shortest-lived layer can be replaced without demolishing the longest-lived one.
- Over-provision where it is cheap. Extra clear height, a wider grid or a more heavily dimensioned floor costs relatively little at construction and makes a later change of use possible. Strengthening a floor afterwards costs a multiple.
- Demountable connections. Bolted and clamped rather than glued and cast, so parts can be taken apart and reused.
- Standardisation at component level. Not uniform buildings, but interchangeable parts — so that an adaptation is not bespoke work every time.
Not the same as the Living Building Challenge
The names resemble each other, but they are different things. The Living Building Challenge is an international certification programme for highly ambitious sustainable buildings, with requirements on energy, water and materials among others. The Living Building Concept by De Ridder is not about certification but about the organisation of the construction process and the adaptability of the building.
Related thinking
The LBC follows on from older ideas about adaptable building, such as John Habraken’s separation of support and infill, and connects with current thinking on circular construction and adaptive reuse. What these approaches share is the assumption that a building’s use has a shorter life than the building itself — and that the design should account for it.
Related terms
- Life cycle
- Circular construction
- Design for disassembly
- Flexibility
- Support and infill
- Operating costs
- Total cost of ownership
- Adaptive reuse
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