In Switzerland, this depends heavily on the canton and size. While small garden sheds up to 10 m² are often permit-exempt in Bern, there is no general exemption limit in cantons like Thurgau. Please check the following overview and always inquire with your municipality if in doubt:
| Canton | Permit-free | Reportable | Subject to approval |
|---|---|---|---|
| Aargau | ≤ 5 m² area & ≤ 2.5 m height | — | for larger buildings or protected zones |
| Appenzell Ausserrhoden | ≤ 6 m² / 2.5 m height | — | larger buildings |
| Appenzell Innerrhoden | No exemption limit – everything is subject to reporting | — | All construction measures |
| Basel-City & Countryside | no fixed threshold | — | subject to approval |
| Bern | ≤ 10 m² / ≤ 2.5 m height for unheated small structures | — | in protection zones or during heating |
| Freiburg | No exception for garden sheds | — | subject to approval |
| Glarus | ≤ 10 m² / ≤ 2 m height | — | everything about it |
| Graubünden | ≤ 5 m³ volume or open shelters up to 4 m² | — | larger fixed structures |
| Lucerne | ≤ 4 m² floor area for unheated small buildings | possible for small projects | larger garden houses |
| Nidwalden | ≤ 6 m² area / ≤ 1.5 m height for open small structures | — | if about this mass |
| Obwalden | no clearly defined limit values | — | subject to permit depending on the municipality |
| Schaffhausen | ≤ 8 m³ Volume (~3 m²) | — | everything about it |
| Schwyz | No free limit | — | All garden structures require a permit |
| Solothurn | No free limit | — | all permanently installed garden sheds |
| St. Gallen | ≤ 10 m² / ≤ 2.5 m height in building zones, unheated | possible for small structures | Protection or core zones |
| Thurgau | No free limit | — | practically all garden structures |
| Ticino | No exception for garden sheds | — | Generally, approval is required |
| Uri | Small projects possibly without approval | Yes, depending on the individual case | larger construction projects |
| Train | No exemption limit visible | — | Permit requirement generally applies |
| Zurich | ≤ 6 sq m area & ≤ 2.5 m height | — | everything about it including heating |
Yes, cantonal and municipal setback regulations apply. To place something directly on the property line, written consent from the neighbor is generally required.
For homeowners in Switzerland, garden sheds can often be claimed as value-enhancing measures or construction costs on their tax returns.

