After Switzerland’s 2025 housing-tax vote, owners may ask whether a renovation should be brought forward or delayed. Tax is relevant, but technical urgency, project cost, financing, energy performance and ownership plans should come first.

What to assess first

Separate essential work from optional upgrades. Water ingress, unsafe systems, structural deterioration or imminent equipment failure may justify action regardless of tax. Replacing functioning finishes only because a deduction may be available requires a broader economic comparison.

Tax is not a reimbursement

A deduction reduces taxable income; it does not reimburse the renovation cost. Treatment may differ between maintenance, value-adding improvements and energy measures, and implementation and cantonal rules must be checked.

Illustrative project comparison

Suppose a renovation costs CHF 80,000. Assume, purely for illustration, that CHF 50,000 might qualify for a deduction and the owner’s marginal tax effect is 25%. The possible tax effect would be CHF 12,500—not CHF 50,000. If financing costs CHF 4,000 and a CHF 10,000 contingency is needed, the project still requires substantial liquidity.

Now compare waiting: a CHF 10,000 repair may become a CHF 25,000 repair if water damage worsens. The right decision depends on technical evidence, not tax alone.

When renovating sooner may make sense

  • The work is technically necessary.
  • Delay could increase damage or operating costs.
  • The project works economically without the tax benefit.
  • Financing leaves adequate reserves.
  • Deductibility and subsidies are confirmed before work begins.

When waiting may make sense

  • The project is optional or poorly defined.
  • You are acting mainly because of a possible deduction.
  • Implementation guidance is unclear.
  • You may sell, change use or combine projects.
  • Quotes and permits are incomplete.

Decision checklist

  1. What happens technically if the work is delayed?
  2. Which parts are maintenance, improvement or energy work?
  3. What are total cost, financing cost and contingency?
  4. Are subsidies or approvals required first?
  5. How long will you own the property?
  6. Can you retain adequate reserves?

Keep records

Keep reports, quotes, permits, contracts, invoices, payment proof, subsidy decisions, warranties and photographs. Itemised records support project control and later discussions with advisers, lenders, insurers or buyers.

How Valory Properties can help

Valory Properties helps organise property documents, expenses, maintenance and renovation projects, making it easier to compare planned and actual costs.

This content is provided for general informational purposes and does not constitute legal, tax, financial or investment advice. Rules, implementation dates, deductions and subsidies may vary by canton, municipality and individual situation. Examples are illustrative.