An empty spot on your property or in the garden and a need for your own space to work out, tinker or unwind? A shipping container as a hobby space is a robust solution that is quick to realise. In this article you will read how to fit out a container as a man cave, home gym or sauna, and what to keep in mind when it comes to insulation, power and ventilation.
Every hobby space starts with the same foundation: a steel container that is already wind and watertight in itself. Bare steel, however, offers barely any insulation, so for comfortable use all year round insulation and a power connection are indispensable. Walls, roof and floor are insulated with, for example, spray PUR foam or insulation panels, and an earthed consumer unit with cabling in the walls provides lighting and power sockets.
Ventilation is at least as important. Because of temperature differences between day and night, condensation can form on the inside of the steel. Ventilation grilles carry off that moist air and keep the space dry, which is essential especially in a home gym or sauna. This way you prevent mould and rust from the inside out.
The foundation is the same for every hobby space, but the fit-out differs greatly depending on the use. A man cave calls for atmosphere and daylight, a home gym for a sturdy floor and plenty of air, and a sauna for extra moisture-resistant finishing. The table below shows which features are the most obvious choice for each use.
| Use | Key modifications | Point of attention |
|---|---|---|
| Man cave / lounge space | Insulation, wiring, lighting, window, extra personnel door, RAL colour | Atmosphere and daylight; lock box against break-ins |
| Home gym | Insulation, ventilation, sturdy floor finish, power, ample access | Floor load and air circulation |
| Sauna / wellness | Extra insulation, moisture-resistant finish, ventilation, wiring | Moisture and heat management, safe wiring |
| Pool room / pool house | Insulation, ventilation, open side or extra doors, watertight finish | Moisture drainage and construction |
Fitting out a container as a man cave is perhaps the most popular use of all. With insulation, lighting and a coat of paint in any RAL colour, the bare container becomes an atmospheric space of your own for a pool table, bar or gaming corner. A window and an extra personnel door provide daylight and a pleasant entrance, while a lock box keeps the space securely lockable.
For a container as a home gym, the emphasis lies elsewhere. A 20ft container offers enough room for a power rack, dumbbells and a cardio machine. What matters here is a sturdy, shock-absorbing floor finish and, above all, good ventilation: working out produces a lot of heat and moisture, so sufficient air circulation prevents condensation and a stuffy space. If you want more volume or standing height, a High Cube version is worth considering.
Tell us which space you have in mind and we will help you think through size, condition and the right modifications. On working days you will receive a tailored proposal by email within an hour.
A wellness space is also among the possibilities. Converting a shipping container into a sauna calls for extra attention to insulation and moisture management: the walls are heavily insulated, given a moisture-resistant finish and fitted with safe, earthed wiring for the sauna heater. Good ventilation remains crucial here too, to carry off moisture and protect the steel.
Anyone wanting to go a step further might think of a swimming pool made from a shipping container or a pool house alongside it. The steel construction lends itself well to a changing room or plant room beside a pool; for a container that serves as the pool itself, a watertight interior finish and a well-considered construction are needed. For such specialist wishes we are happy to discuss in advance what is technically and practically feasible. You will find more inspiration for conversions in our article on converting a container into an office, workshop or garage.
From choice to delivery you roughly go through the following steps. HEROX carries out all modifications in its own workshop, so the container arrives ready to use at your location.
Whether you need a permit depends on the location, size and use. For a hobby space in the rear garden area, placement is often permit-free, but the rules differ per local authority. Always check this in advance with your local authority to avoid problems later on. Read more about a permit for a shipping container on your property.
For most hobby spaces a 20ft container (around 6 metres) is the practical middle ground: roomy enough for a home gym or a complete man cave, without dominating the plot. For a compact sauna or lounge corner a 10ft often suffices, while a 40ft or High Cube offers maximum space and standing height. If in doubt, it is better to choose the larger size, as we explain in our overview of which shipping container size suits you. Below you will see the current range of 20ft containers.
Browse the current range in the shop or request a quote straight away. On working days you will receive a concrete price, availability and delivery date by email within an hour.
Yes, both new (one-trip) and used containers lend themselves to conversion. The foundation is always a guaranteed wind and watertight steel container. New is virtually as-new and pleasant for a visible spot, while used is more affordable. HEROX carries out the modifications in its own workshop, before delivery.
For comfortable use, the walls, roof and floor are insulated, for example with spray PUR foam or insulation panels. With every method, ventilation remains necessary to prevent condensation, especially in a home gym where a lot of heat and moisture are released. This keeps the space dry and pleasant to work out or relax in.
Yes, provided you pay attention to moisture management. The walls are heavily insulated and given a moisture-resistant finish, and safe, earthed wiring is needed for the sauna heater. Good ventilation carries off moisture and protects the steel. For these specialist wishes we are happy to discuss in advance what is technically feasible.
That differs per local authority and depends on the size, the location on your plot and the use. A container for storage or hobby use in the rear garden area is often permit-free, but for permanent use or placement at the front a planning permit is more often required. Always check this in advance with your local authority.
For most hobby spaces a 20ft container of around 6 metres is the practical choice: roomy enough for a man cave or home gym. A 10ft suffices for a compact sauna or lounge corner, while a 40ft or High Cube offers maximum space and standing height. If in doubt, it is better to choose the larger size.
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