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At a glance: money to start · hours · how fast it pays · how much you keep · how much it can earn. Taller bars are better; the dashed line is halfway.

Self storage units: what it really costs to start

Starting a self-storage business in Europe costs €40,000–€150,000 in 2026, with first income after about 20 weeks and earnings of up to €4,000 a month working full time.

Last updated: September 2026 · sources at the bottom of the page

Renting space by the month.

Self storage units in numbers
Money to start €40,000–€150,000 What you spend before the first customer pays: kit, stock, licences, launch.
Hours a week 5–20 What it takes to run it properly, from part time to full time.
Weeks to first income about 20 How long you pay in before any money comes back. You still need to live in those weeks.
Kept of every €100 €55 What stays with you after running costs, before you pay yourself for your hours.
Most it earns a month €600 part time · €4,000 full time + A realistic ceiling for you running it. It can grow further, but only by hiring or adding units.
Competition medium Some competition: running it well is what decides.
Licence or qualification not usually Beyond registering the business and insurance, nothing specific in our research.

This maximum is not a wall

The figure above is what this earns in the shape described: you, running it. Past that it keeps going, but by hiring people or adding units, not by you working more hours. That is a different job from the one you would be starting, and worth knowing before you start it.

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What nobody usually tells you

Once full, one of the most genuinely passive businesses that exists: people pay monthly for years and rarely visit. The barrier is real though — land, planning and units mean serious capital before a single euro comes in.

The route, in five steps

  1. Start with 10-20 containers on leased land, not a building
  2. Check planning permission before signing anything
  3. Price monthly with no long contract — that is the appeal
  4. Automate access so you are not driving out at 8pm
  5. Fill to 80% before adding more units

What you'll need to buy

These are the categories this business pays for in the first month. We go through the software side on the tools page.

site or buildingcontainer unitssecurityinsuranceaccess system

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Common questions

How much does it cost to start a self-storage business?

Between €40,000 and €150,000 to begin. That covers site or building, container units, security and the rest of the setup. It does not cover your own living costs during the 20 weeks before the first income arrives, which is the cost most people forget.

How long after starting a self-storage business does the first income arrive?

Around 20 weeks to the first euro. Reaching the realistic maximum of €4,000 a month takes considerably longer, and assumes 20 hours a week.

How much can you earn a month if you start a self-storage business?

Up to about €4,000 a month working full time, or €600 part time. Of every €100 it takes, about €55 stays with you after running costs. Past that it can grow, but by hiring people or adding units rather than by working more hours.

Can you start a self-storage business alongside a job?

Yes, at a cost. Part time it realistically tops out around €600 a month, against €4,000 working full time, and it needs 5–20 hours a week.

Is there a lot of competition?

Competition is medium. Neither crowded nor protected: winning comes down to how well you run it rather than whether you can enter.

Similar businesses to compare

Sources

Where these numbers come from. Figures are rounded ranges for European markets; check the ones you are about to spend money on. Last checked September 2026.

  1. Stora — How to start a shipping container self-storage business (containers about £3,000 each) money to start · what it earns
  2. Storeganise — How to start a shipping container storage facility money to start · what it earns · hours

Does it fit you?

These numbers are the average case. Whether this business clears your target depends on your money, your hours and how long you can wait. Put them in and see.

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