Canton of Aargau26 local pages · all municipalities served

Building permit in the canton of Aargaufor pergolas, louvred roofs, carports, garden sheds, pools and more

Q: How do I submit a building application in the canton of Aargau?

Digitally via eBau Aargau in participating municipalities, otherwise with the municipality using the cantonal application form. Simplified procedure without profile poles or public display for small structures and annexes such as garden sheds, covered patios and individual parking spaces within the building zone (§ 50 BauV), up to 40 m² floor area and 3 m height.

Q: Who may draw up building plans in the canton of Aargau?

No formal qualification required for plan authors; plans must meet the requirements of § 51 BauV.

What is permit-free in the canton of Aargau, what needs a notification and when a building application is required, with the legal basis and our fixed-price service for towns and villages across the canton.

Permit-free in the canton of Aargau: Very small structures up to 5 m² floor area and 2.5 m total height with minimal impact (tool sheds, bike shelters) and ponds up to about 10 m² are permit-free (§ 49 BauV).

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Overview of all structures in the canton of Aargau

Structure	Classification	Rule	Legal basis
Pergola	Building permit required	A pergola over 5 m² needs a building permit, usually in the simplified procedure without profile poles or public notice.	§ 49/50 BauV
Louvred roof	Building permit required	Covered patios up to 40 m² and 3 m high follow the simplified procedure; larger ones the ordinary procedure.	§ 50 BauV
Patio cover	Building permit required	Covered patios open on at least one side: simplified procedure up to 40 m² / 3 m.	§ 50 BauV
Carport	Building permit required	Carports require a permit; a simplified procedure is possible.	§ 59 BauG, § 50 BauV
Garden shed	Depends on size and location	Tool sheds up to 5 m² and 2.5 m high need no permit. Larger garden sheds: simplified procedure up to 40 m².	§ 49 let. b, § 50 BauV
Pool	Building permit required	Permanently installed pools require a permit; ponds up to around 10 m² are exempt.	§ 49/59
Heat pump (outdoor unit)	Depends on size and location	Heat pump outdoor units: notification procedure possible with noise protection proof, otherwise building application.	§ 49 BauV, LSV
Solar installation (special case)	Depends on size and location	Adapted roof or façade systems: notification. Open ground, protected zones, solar carport: building permit.	Art. 18a RPG, § 49 BauV

Procedure in the canton of Aargau

Legal basis: Building Act (BauG) and Building Ordinance (BauV). Go to the cantonal information page.

Submission: digitally via eBau Aargau in participating municipalities, otherwise to the municipality using the cantonal application form.

Plan author: no formal qualification requirement for plan authors; plans must meet the requirements of § 51 BauV.

Simplified procedure without building profiles or public display for small structures and annexes such as garden sheds, covered patios and individual parking spaces within the building zone (§ 50 BauV), up to 40 m² floor area and 3 m building height.

How your application in the canton of Aargau works with us

Enquiry. You send us the address, structure, dimensions and photos, via form, e-mail or WhatsApp. Takes 3 minutes.
Preliminary check. Within 2 working days you know whether it is permit-free, a notification or a building application, with the procedure, documents and fee range.
Approval. You confirm via the payment link and sign the power of attorney digitally.
Application file. We prepare forms, construction description, site plan, floor plan, section and enclosures, complete and compliant with the municipality's requirements.
Submission. You sign, we submit (digitally or by post) and confirm receipt to you.
Decision. We answer the municipality's queries. You receive the authority's decision and information on the next steps.

Questions about the building application in the canton of Aargau

What is permit-free in the canton of Aargau?

Very small structures up to 5 m² floor area and 2.5 m total height with minimal impact (tool sheds, bike shelters) and ponds up to about 10 m² are permit-free (§ 49 BauV).

How do I submit a building application in the canton of Aargau?

Digitally via eBau Aargau in the connected municipalities, otherwise at the municipality using the cantonal application form. Simplified procedure without staking out or public display for small buildings and annexes such as garden sheds, covered seating areas and individual parking spaces within the building zone (§ 50 BauV), up to 40 m² floor area and 3 m building height.

Who may draw up building plans in the canton of Aargau?

No formal qualification requirement for plan authors; plans must meet the requirements of § 51 BauV.

Building application costs and scope of services · Prepare it yourself or have it done? · Dossier lead time and authorities' procedure

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