- 55.3%
- masonry in the UCI study sample
- 27.8%
- modular construction
- 10.3%
- timber
In construction, the method is a means — not the objective.
The question sounds simple. The answer rarely is.
Modular or traditional construction? The growing popularity of modular systems has created an appealing idea: manufacture more components in controlled conditions, reduce some site work and potentially shorten parts of the programme.
But turning that into “modular is always faster and cheaper” is too simplistic. The same applies to traditional construction. Being more common does not make it the automatic answer for every project.
Modular construction is already a meaningful option
In the UCI/Spirituc study of 611 recent self-build clients, 55.3% said they had used masonry construction. Among alternatives, 27.8% cited modular construction and 10.3% timber.
These percentages describe the study sample and should not be treated as national market shares, but they do show that alternative systems are clearly entering private clients’ decision-making.
The construction system does not remove the need for design
A modular home still requires a suitable site, foundations, infrastructure, thermal performance, acoustics, building services and coordination between disciplines.
Being modular also does not automatically remove planning and building-control requirements. Portugal’s RJUE defines a building independently of the construction system used. Therefore, “it is modular, so it does not need approval” should not be used as a general rule.
Where can modular construction gain an advantage?
Primarily in the predictability of repeatable processes. Factory-based production can reduce some site variables and allow different activities to progress in parallel.
But this works best when decisions are made early. The more changes occur after production starts, the more that advantage tends to shrink.
Where does traditional construction remain strong?
Flexibility. Complex sites, highly specific architecture, integration with existing structures or projects requiring significant adaptation may benefit from the freedom of conventional site construction.
But “traditional” no longer means building exactly as we did decades ago. Masonry, industrialised systems, prefabricated elements and off-site components can coexist within the same project.
Perhaps the choice is not binary
The future of construction does not have to be modular versus traditional. It can be a combination.
The objective remains to choose the solution that best responds to programme, budget, architecture, site, logistics, performance and future use.
