Defects in your new business premises: act on notice before the insurance question
The construction-defect rules changed in 2026. Preserve evidence and legal deadlines without assuming that business legal protection includes building work.
A handover signature does not end every question
Newly renovated premises look ready, but a joint opens, water appears or a door repeatedly jams. A small business needs working space, so the temptation is to pay for an immediate fix and discuss responsibility later. This dossier, checked on 15 October 2026, explains preparation rather than deciding a construction claim. First identify your legal role: owner commissioning work, buyer, tenant or customer under a separate fitting contract. Those relationships can lead to different claims and recipients. Keep the construction contract, specifications, amendments and handover record together before contacting a contractor or assuming the landlord is responsible.
Understand what changed, and which contract it concerns
The Federal Council's official announcement and the justice office confirm that revised construction-defect provisions took effect on 1 January 2026. Within their legal scope, notice periods for apparent and hidden defects were extended to 60 days, with restrictions on shortening the period and excluding rectification rights. Do not assume that every older contract is retroactively governed by the new rules. Have the agreement date, nature of the work, discovery date and incorporated terms checked. A notice period is also not the same thing as the limitation period for bringing a claim. Acting promptly remains safer than treating the longest possible period as a target.
A hypothetical office defect after opening
Imagine an office fit-out under a new 2026 contract. A hidden installation issue is discovered after opening; estimated remedial work is CHF 6,000, disruption might cost CHF 2,500 and legal advice may cost more. These invented sums are three different categories, not an automatic damages award. Photograph the issue, record when it became visible and get technical advice proportionate to the risk. Ask who must receive a sufficiently specific notice and how to prove delivery. Do not assume a casual message to a subcontractor preserves rights against the contracting company or that a general complaint about poor quality identifies the actual defect adequately.
Coordinate repairs and legal-cost cover
Safety and damage mitigation may require immediate action, but preserve evidence and give the responsible parties an appropriate opportunity to assess the issue where legally required. Obtain advice before destroying the disputed work or withholding payment. Ask the business legal-protection insurer whether construction, ownership or tenancy disputes fall within the selected modules, with which limits and exclusions. A commercial-contract module is not proof that building disputes are included. Report the case promptly, request cost approval and protect deadlines independently. Insurance can address specified legal expenses; it is not a guarantee that the contractor is solvent, accepts responsibility or will finish a repair quickly.
Build the next handover around evidence
For future projects, specify acceptance checks, named contacts, defect reporting and document storage before completion. Use a dated snagging record with photographs and assigned follow-up, while obtaining advice on the effect of any signature or release. Separate retention amounts, disputed invoices and agreed repairs rather than improvising a blanket refusal to pay. Keep an operational contingency for temporary workspaces or restricted access. A careful file helps an expert distinguish technical cause, contractual duty and the losses claimed. The useful outcome is prompt, evidenced action under the applicable rules, with insurance financing assessed alongside it rather than allowed to delay it.
Sources and further reading
Original Clearwise analysis. External reporting provides context; rules and contract terms must be verified with the competent authority or provider. Some press articles may require a subscription.
Apply this to your situation
Compare your actual documents and clarify what matters before making a commitment.
Request a free consultationGeneral guidance, not a binding quote or personalised legal, tax or investment advice. Examples are hypothetical and results are not guaranteed.
