Two homes advertised as prefabricated may reach the plot in very different forms. One may arrive as wall and roof panels; another as volumes already forming rooms. Understanding that distinction helps you compare how much work remains on site.
Panels: components assembled on site
In a panelised system, part of manufacturing takes place away from the plot and the elements are joined there to form the building. Completion levels vary. Request a list of what each panel includes and the subsequent tasks: junctions, services, enclosing the building and finishes, as appropriate to the offered system.
Modules: three-dimensional spaces
Volumetric construction transports three-dimensional units. Do not assume they all arrive with the same equipment. Ask what is completed at the factory, which connections are finished on site and what checks follow. A one-piece home and a home assembled from several modules can both belong to this family.
Compare deliverables
| Question | What to request |
|---|---|
| What arrives? | Panel or module schedule and finish level |
| How is it unloaded? | Access assessment and handling equipment |
| What remains on site? | Task list, responsible parties and conditions |
| When can I use it? | Completion milestones, testing and authorisations |
The distinction between flat components and volumetric units is explained in manufacturer The Qube’s technical guide. We do not generalise its commercial claims about advantages or schedules to every brand. To choose, we suggest requesting the same delivery scope and a quotation for the same plot from each supplier.
The material is a separate question
Steel, timber and concrete describe materials; panelised and volumetric describe ways of manufacturing and assembling. Do not choose on one label alone. Compare the specific solution and the total work needed to finish the home. This makes it easier to understand why two apparently similar quotations may not include the same tasks.
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Sources and scope
Sources reviewed on 15 October 2026. Questions and checklists are our editorial suggestions, not a substitute for project-specific review. No sponsorship.