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Spatial Development Act · category five
Updated July 2026

🏚️ Can I build a shed or carport without a permit?

With conditions
Quick answer

It depends on size and type — but "nothing at all" is almost never lawful. Construction is governed by the Spatial Development Act, and the building permit is the document that makes construction lawful. Sheds, carports and outbuildings fall into category five — the lightest — and in many municipalities follow a simplified route: a notification or streamlined procedure instead of a full permit. The exact thresholds (footprint, height, distance from boundaries) are set by the municipal ordinance and the detailed development plan, so the only reliable answer comes from the chief architect of your municipality before you start. A structure put up before 31 March 2001 without paperwork may qualify as "tolerable construction" under the Act and be safe from demolition.

📋 The rules

  • Construction is governed by the Spatial Development Act
  • Sheds and carports: category five — the lightest regime
  • Often a notification or simplified procedure is enough
  • Thresholds and boundary distances are set by the municipal ordinance
  • Structures from before 31 March 2001 may be "tolerable"

🔓 Exceptions

  • Tolerable construction: built before 31 March 2001 without papers — not subject to demolition
  • Movable structures have a different legal regime from fixed ones
  • In protected areas and historic centres the regime is considerably stricter

⚠️ Penalties & fines

Unlawful construction is subject to demolition — and at the owner's expense, which in practice costs far more than any fine. An administrative penalty also applies, and the structure cannot be brought into use or feature properly in transactions: an illegal building complicates selling the property and obtaining a mortgage. A structure from before 31 March 2001 can be declared tolerable and stay, but tolerability is not legalisation — it merely protects it from demolition, with limits attached. A neighbour can report it, so "nobody will notice" rarely holds for long.

📎 Official sources

Last verified: 2026-07-12

❓ Frequently asked

Do I need a permit for a garden shed?

Usually yes, though by a lighter route. Sheds and carports are category five and in many municipalities go through a notification or simplified procedure rather than a full building permit.

Is there a size below which nothing is needed?

Thresholds for footprint, height and distance from boundaries are set by the municipal ordinance and the detailed development plan. The only reliable answer comes from your municipality's chief architect.

What is "tolerable construction"?

A structure put up before 31 March 2001 without building papers that meets certain conditions under the Act. It is not subject to demolition, but tolerability is not legalisation and carries limits.

What happens to an illegal structure?

It is subject to demolition at the owner's expense — which usually costs more than the fine. It also complicates selling the property and obtaining a mortgage against it.

Can a neighbour report it?

Yes, and that is the commonest way illegal structures come to light. Relying on "nobody will notice" rarely holds for long, particularly once there is a dispute with a neighbour.

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