Renovation grants in Switzerland: programmes and cantonal differences

Which renovations qualify for support in Switzerland?

Three forms of support need to be distinguished. Direct grants reduce the cost of eligible work. Tax deductions reduce taxable income where the relevant rules allow them. Purpose-specific assistance may support conservation of a protected building or alterations needed because of a disability. They have different authorities and cannot always be combined. A discounted mortgage or a private climate incentive is also different from a public subsidy. Identify the applicable route before including a contribution in your renovation budget.

This is an overview of possible routes, not an entitlement for a particular property. Links throughout the article lead to official programmes and responsible authorities.

The main programmes for energy renovations

Several instruments work together when you improve a building's energy performance. The Confederation sets funding frameworks, while cantons select their offers and process many applications. Municipalities may provide additional contributions. Investigate funding alongside the technical renovation plan. Roof, facade, windows, ventilation and heating affect one another, so the largest grant for an individual item does not necessarily identify the best overall project.

Cantonal differences: 13 examples of renovation funding in 2026

A contribution available across the cantonal border does not automatically apply to your house. Calculation bases differ too: insulated component area, PV module area and energy reference area measure different things. Energy reference area, or EBF, broadly comprises heated or cooled floor areas. The examples below show selected differences and current budget restrictions. Each linked canton name leads to its official source.

This is not a ranking or a full tariff comparison. Output limits, investment caps, minimum grants, building categories and combination rules affect the actual contribution. Budget announcements may change after the source-check date.

Are ordinary renovations eligible for public grants?

Support can also be available outside energy renovation, but it needs a recognised purpose. Calling a project a renovation does not establish eligibility. Identify whether it saves energy, preserves protected historic fabric, enables necessary disability-related adaptations or meets a specific housing programme's conditions. This is especially relevant when an energy upgrade and ordinary refurbishment form part of the same project.

Renovations and tax: what changes in 2029?

A tax deduction is different from a grant paid into your account. Current rules generally distinguish maintenance that preserves value from improvements that add value. Replacing a worn-out fitting with an equivalent can be treated differently from an extension or an upgrade in comfort. Energy-saving and environmental investment has its own rules. Account for grants when determining deductible costs you have borne yourself. Request itemised invoices and clarify classification with your cantonal tax office.

• The home ownership tax reform takes effect on 1 January 2029. For owner-occupied homes, maintenance deductions end alongside taxation of imputed rental value.
• Federal income tax deductions for energy-saving and environmental investments end. Cantons may retain such deductions for a limited period.
• Maintenance deductions remain available for property that is rented or leased out.

Applying for renovation grants: six steps to a complete application

Starting too early is an avoidable reason to lose funding. Some cantons require written approval before a purchase or an order is placed. Establish the funding conditions before agreeing binding order and construction dates. KLEIV follows a different sequence: the Pronovo application comes after construction. Do not apply that exception to other grants.

• 1. Check the location: identify the canton, municipality and relevant energy supplier. Search for local offers using the postcode and distinguish public programmes from private contributions.
• 2. Establish conditions before ordering: check the measure, building age, minimum grant, technical values, available budget and deadlines. Record whether application submission or written approval must precede the project start.
• 3. Prepare the plan and evidence: collect quotations, drawings, areas, photographs and technical documentation. Commission a required GEAK Plus in time. Agree who submits and checks the application.
• 4. Coordinate contributions: disclose cantonal, municipal and other support. Check restrictions on combining grants, maximum funding shares and the need for separate applications. Do not count unconfirmed contributions as secured financing.
• 5. Coordinate permits and execution: a grant approval does not replace planning permission. Before changing equipment, materials or scope, establish whether the funding commitment must be amended.
• 6. Submit completion documents on time: provide invoices, payment evidence, photographs, commissioning records and certificates as required. Payment follows review, so allow for the necessary upfront financing.

Frequently asked questions about Swiss renovation grants

These answers provide initial guidance. The responsible authority assesses your particular entitlement using your project details and the conditions in force when you apply.