Terrafame – Environmental and water management permit processes concerning the company’s entire operations and the KL1 side rock area

Terrafame – Environmental and water management permit processes concerning the company’s entire operations and the KL1 side rock area

Real estate is a highly regulated field, which requires solid legal expertise.

Whether you are dealing with a particular real estate law question or are planning a more extensive project, using us as a sounding board is well worth your while. You will get insights from the best experts in the field.

Our team has advised clients in many of Finland’s largest real estate development projects and industrial projects involving complex real estate regulatory and permitting aspects. However, your question does not always need to be highly complex or difficult, as our large team can also handle your day-to-day real estate law matters.

Our services include:

  • Planning and building permits
  • Judicial proceedings in the administrative courts
  • Negotiating land use agreements with local authorities
  • Land lease agreements
  • Property formation, including three-dimensional (3D) real estate formation
  • Cumpulsory land expropriation proceedings
  • Joint arrangement and easement agreements
  • Building conservation

Our clients include private and public sector real estate developers and operators as well as domestic and international companies with  land use, planning or permitting issues.

You will get Finland’s largest team, which combines the most versatile range of real estate and environmental specialisations on the market. Depending on your needs, we can provide you with a single specialised expert or a large team of the best experts in the field.

Chambers Europe and Legal 500 rank our real estate services among Finland’s best.

Latest references

We advised G&W Electric with its acquisition of Safegrid Oy, a leading provider of intelligent grid monitoring solutions based in Finland. The acquisition accelerates G&W Electric’s long-term strategy to integrate intelligent monitoring and predictive analytics into its power distribution portfolio, strengthening its offering to utility customers worldwide. Founded in 1905 and headquartered in Bolingbrook, Illinois, G&W Electric is a global leader in innovative power grid solutions, with a presence in over 100 countries. The company is known for advanced load and fault interrupting switches, reclosers, sensors, system protection equipment, power grid automation, intelligent grid monitoring, and transmission and distribution cable accessories. Safegrid is a Finnish technology company headquartered in Espoo, Finland. The company develops the Intelligent Grid System®, a grid monitoring solution that combines instant-on wireless sensors with advanced analytics to deliver real-time insight into grid conditions, enabling utilities to identify emerging issues, anticipate failures, and reduce outage duration across medium and high voltage distribution and transmission networks.
Case published 8.5.2026
Castrén & Snellman advised Nscale, a European AI infrastructure company, in connection with its planned data centre project in Harjavalta, Finland. The facility will be located in the Sievari industrial area. Castrén & Snellman’s advisory role encompassed the negotiation and execution of a site securing and development agreement (SSDA) with Fortum, as well as the preliminary land sale process for the Sievari site with the Town of Harjavalta. Under the SSDA, Fortum supports the advancement of Nscale’s project development, including grid connection design and permitting.
Case published 15.4.2026
We advised UK-based investment company Downing in its acquisition of the entire share capital of Tornionlaakson Voima Oy. Tornionlaakson Voima owns three hydropower plants in the Tengeliönjoki river system – the Portimokoski power plants in Ylitornio, the Jolmankoski power plants in Raanujärvi and the Kaaranneskoski power plants in Sirkkakoski. The power plants produce a total of approx. 45 gigawatt-hours of electricity per year. Tornionlaakson Voima’s daily operations will continue normally, and the transaction will not affect customers. The consummation of the transaction is subject to the approval of the Ministry of Economic Affairs and Employment. Downing has over 35 years’ experience in providing a wide range of investment solutions to the needs of institutional investors, advisers and retail investors. The company manages over £2 billion in assets in both the private and public markets and its current hydro power portfolio includes approx. 50 hydro power plants in the Nordics. 
Case published 27.3.2026
We advised Fingrid Oyj on the Finnish law aspects in the update of a EUR 3 billion Euro Medium Term Note programme (EMTN). Notes issued under the programme may be listed on the Irish Stock Exchange. Fingrid operates Finland’s main electricity transmission grid and all significant cross-border transmission connections. The main grid is the backbone of the electricity transmission network, to which major power plants, industrial plants and regional electricity distribution networks are connected.
Case published 17.3.2026