Guides / Loading & Container Planning

How many flat-pack units fit in a 20ft or 40HQ container?

A standard flat-pack container unit loads 4 sets in a 20ft container and 8 sets in a 40HQ container. The figures assume a standard 20ft-based unit with the usual door and window set, folded and stacked in the normal packing layout — and they are confirmed for your own order in a loading plan before the container is sealed.

The numbers

Short answer

Container	Flat-pack units	What the figure assumes
20ft GP	4 sets	A standard 20ft-based unit (6,058 × 2,438 × 2,896 mm), folded, standard door and window set, normal packing layout
40HQ	8 sets	The same unit. The count depends on the folded stack height, which is why it is confirmed in the loading plan before the container is sealed

These are the figures we quote from, and they are the ones to plan your first order around. We do not publish a per-model table, because the controlling dimension is not the container — it is how tall your particular unit folds.

Method

What the figures assume

A standard 20ft-based flat-pack unit — not a widened or extended custom layout.
The standard folded build-up. Adding insulation thickness, a bathroom pod or built-in furniture raises the folded stack height, and the stack height is what decides the final count.
The standard door and window set. Extra panels, spare parts and accessories take volume in the same box.
Units travelling on their own. Where a container is consolidated with ceiling or facade panels, the split is shown on the loading plan and the unit count is lower.

Variables

What changes the count

Four things move the number, and only the first one is decided by us:

Folded stack height — insulation build-up, a bathroom pod, built-in furniture or a taller unit all raise it.
Accessories — external stairs, awnings, spare panels and fittings.
Packing layout — loose-loaded components take more volume than a palletised, tightly stacked layout.
Consolidation — mixing units with ceiling or facade panels in one container.

Worked examples

Three orders, three different counts

The table above gives the standard case. Most real orders sit either side of it, so it is worth seeing how the count moves on an ordinary specification change — and what that does to the freight carried by each unit.

Order A — standard units, nothing added. A plain 20ft-based flat-pack unit with the standard door and window set, folded and stacked in the normal layout. Eight sets load into one 40HQ. The ocean freight for the container is divided across eight units, which is the lowest freight-per-unit case we can offer.
Order B — same unit, bathroom pod and heavier insulation. The pod and the deeper insulation build-up both sit inside the folded stack, so the stack is taller and the count falls. At six sets to the container the same freight is divided across six units rather than eight: the unit price on the quotation may barely move, but the landed cost per unit rises, because each unit now carries a larger share of the container.
Order C — units consolidated with ceiling or facade panels. Where a buyer orders modular units and architectural panels together, the panels take volume in the same box. The unit count is lower again, and the split is shown line by line on the loading plan so you can see exactly what was traded against what.

Two conclusions follow. First, the configuration decision and the freight decision are the same decision — a heavier specification is not only a higher unit price, it is usually a higher freight share per unit as well. Second, the number to optimise is not the unit count on its own but the freight carried per unit, which is the container freight divided by the count actually loaded.

Getting your own count

What to send, and what comes back

The count cannot be quoted from a model name, because the model name does not carry the folded stack height. To return a firm figure we need four things: the model and overall footprint, the wall and roof insulation specification, the door and window set, and the accessory list — external stairs, awnings, a bathroom pod, built-in furniture, spare panels. Where the order also includes ceiling or facade panels, say so at enquiry stage and the consolidation is planned in from the start rather than discovered at loading.

What comes back is not a rounded estimate but the packing layout and the loading plan for your own configuration, with the unit count and the container type stated on it. That plan is what the freight line in your quotation is calculated from, so the count you see and the cost you pay come from the same document. If the configuration changes after the plan is issued — a pod added, insulation thickened, an accessory list extended — the plan is reissued and the count, and the freight, move with it.

If you would rather compare formats before fixing a model, the same loading logic is applied to the flat-pack range and to the container shop and kiosk builds, and the cost structure behind those numbers is set out separately.

Verification

How the count is confirmed

The number that matters is the one on your loading plan. Before the container is sealed we send the packing layout, the unit count and the tally sheet, together with photographs of the loaded container — the same evidence pack that covers every other order. You can read what that pack contains on how we inspect an order, and why we work this way on why work with us rather than a factory.

If your model, folded height or accessory list differs from the standard case above, send the details and we will return the count with the loading plan rather than a rounded estimate.

Questions

Common questions

How many flat-pack units fit in a 40HQ container?

8 sets for a standard unit. The count depends on the folded stack height, which is why the figure is confirmed in the loading plan before the container is sealed.

How many flat-pack units fit in a 20ft container?

4 sets for a standard 20ft-based unit, folded and stacked in the normal packing layout.

Can units and ceiling panels ship in the same container?

Yes. Consolidating ceiling, facade and modular items in one container is one of the reasons buyers order through us rather than piecemeal. Consolidating reduces the number of units in that container, and the loading plan shows the split.

What if my model is taller, or has built-in furniture?

The count goes down. Folded stack height is the controlling dimension in a 20ft container, so a taller build-up or an internal pod means fewer units per container. Send the model and we return the count with the loading plan.

Next step

Plan your first container

Configure a unit and see the specification you would be loading, or send your drawings and quantities and we will come back with a loading plan and a quotation.

Open the 3D configurator Request a quotation