Illustrative legal professionals with Helsinki Cathedral in Helsinki
Country law guide · Finland

Construction & infrastructure in Finland

Construction contracts, infrastructure projects, defects, delay and payment disputes.

Finland's Construction Act commenced in 2025 and has subsequent amendments recorded in Finlex. Older material describing the former combined land-use and building framework can therefore mislead if used without checking the project date. The current act addresses design, construction and use, with detailed requirements depending on the proposed works.

For a new facility, identify the applicable permit, design responsibilities and qualifications before finalising the building contract. Connect contractual milestones to public approvals, inspection and completion requirements. If work began under earlier rules, analyse transitional provisions rather than assuming the new framework applies uniformly; variations, defects and delay claims still require a separate review of the agreed contract and evidence.

Key laws & official sources

Construction Act 751/2023

Current Finnish text regulates building design, construction and use; the act commenced in 2025 and has subsequent amendments.

Point to check

Standard contract forms are not automatically binding; verify incorporation, amendments, statutory approvals and notice obligations before relying on a contractual remedy.

Practical next steps

  • Check the current Finnish Construction Act and transition rules for the project's actual stage.
  • Reconcile the design, scope, programme and change register.
  • Preserve inspection, delay and defect evidence before remedial works.

Documents to prepare

  • Contract and technical specifications
  • Programme, variations and site records
  • Payment applications and expert reports
Illustrative legal professionals with Helsinki Cathedral in Helsinki
Illustrative professional scene: Helsinki Cathedral, Helsinki. Fictional people; not a Jurisiti office or team photograph.

How Jurisiti can help

Preserve contemporaneous project records from the outset. Delay, additional cost and defective work require different factual and contractual analyses. Notice clauses, professional responsibility, insurance and any mandatory payment or dispute procedure can materially affect a claim, so the commercial programme and legal timetable should be reviewed together.

  • Procurement and construction documentation
  • Variations, extension of time and payment
  • Defects, expert evidence and dispute resolution

Questions about your matter

How do I start a construction & infrastructure enquiry in Finland?

Identify the jurisdiction, the people involved, any existing proceeding or deadline, and the result you need. A short chronology and the key documents help define the proposed engagement before local professional arrangements are confirmed.

Can a cross-border matter involve more than one legal system?

Yes. Finland may be one part of a wider matter involving another place of residence, contracting party, asset or forum. Applicable law, jurisdiction and enforcement should be assessed separately, using the relevant national and international rules.

Does this guide establish a lawyer-client relationship?

No. An enquiry or use of this guide does not establish an engagement. Conflicts, professional authority, scope, responsibilities and fees must be confirmed before work is undertaken.

Your next move

A European perspective.
A clear way forward.

Tell us where your matter begins and what you need to achieve.

Discuss your matter ↗
Jurisiti Europe

What can we help you find?

Explore country law guides and European legal frameworks.