Lauri Ylönen

Senior Associate, Member of the Finnish Bar

I advise our clients in matters related to real estate transactions and other property-related arrangements. Before joining Castrén & Snellman, I worked for an international audit firm, where I also gained experience in mergers and acquisitions.

I am also specialised in environmental law, which I have practised as a trainee at another business law firm prior to graduating from the University of Helsinki.

Latest references

We assisted Citycon Oyj in the sale of the Lippulaiva residential assets in Espoo, Finland. The sold residential assets consist of 275 apartments totaling approximately 13,000 sqm, located in connection to Citycon’s Lippulaiva shopping centre. The assets were sold at their latest IFRS book value for a gross purchase price of EUR 61.5 million.
Case published 19.12.2025
We are assisting eQ Community Properties Fund in the sale of seven social infrastructure properties to Kinland AS. The value of the transaction is approximately EUR 29 million, and the portfolio comprises three preschool facilities and four child protection units from different parts of Finland. The portfolio consists of modern and energy-efficient properties that are long-term leased to leading operators in the industry. The Weighted Average Unexpired Lease Term (WAULT) is approximately 11 years. The transaction is expected to close on 17 December 2025.
Case published 10.12.2025
We are assisting the Municipality of Tuusula in the sale of land to funds managed by Blackstone, a global asset management company, for a data centre project. Currently, a preliminary agreement has been signed for the sale of the approximately 16.7 hectare site in Jokela, Tuusula. In October 2025, the Municipal Council of Tuusula approved zoning amendments that enable the construction of a data centre campus in the Vallunlenkki zoning area. The preliminary agreement on the sale of the land and the approval of the zoning are the first steps in a process that would upon its implementation constitute a significant investment that supports employment and economic growth in Tuusula and its surroundings. The next phase, the environmental impact assessment, is planned to commence in early 2026. Blackstone owns QTS, one of the worlds’s fastest growing data centre platforms with more than 82 data centres in operation or under development across Europe and the United States.
Case published 4.12.2025
We are assisting Prisma Properties AB in a sale and leaseback arrangement with Kesko Oyj comprising ten grocery retail properties. The transaction value is approximately EUR 59 million, and the properties are located in Sastamala, Jyväskylä, Lappeenranta, Vihti, Oulu, Saarijärvi, Liminka, Imatra, Loviisa, and Eurajoki.  As part of the arrangement, the properties are leased back to Kesko Oyj under lease agreements with a weighted average lease term of 11.6 years. The portfolio includes well-known store concepts such as K-Citymarket, K-Supermarket, and K-Market.
Case published 20.11.2025
We are assisting eQ Commercial Properties Fund in the sale of a fully let property to Logistea AB (publ), with an underlying property value of EUR 25 million. The property is transferred through the sale of the shares in the property-owning company Kiinteistö Oy Hämeenlinnan Länsiportintie 15. Logistea is a Swedish real estate company focusing on warehousing, logistic and light industrial properties, and its shares are listed on Nasdaq Stockholm. The property was built in 2012, and it is located in Hämeenlinna. The property has a total lettable area of approximately 21,700 square meters and the entire property is leased by Faerch Finland Oy, a fully owned subsidiary to Faerch A/S which is a leading provider of sustainable, circular food packaging solutions.
Case published 5.6.2025
We advised a fund managed by Swiss Life Asset Managers Nordic in its acquisition of a logistics property in Hyvinkää from a fund managed by Savills Investment Management. In addition to advising on the transactional aspects, we also advised on the financing of the acquisition as well as in designing an appropriate international acquisition structure and addressing relevant tax implications. The property serves as the central warehouse in Finland for Ahlsell, a leading Nordic technical wholesaler, which has been leasing the property since its construction. The state-of-the-art logistics centre was originally built in 2002 and has undergone several improvement projects over the years. The latest extension, completed in 2024, added around 11,000 square meters of new storage area to the property, bringing the total lettable area to 47,000 square meters. The property has been developed with a strong emphasis on energy efficiency with on-site solar power and renewable district heating. The sustainability features of the property were also further optimised and the asset just received BREEAM Excellent certifications in both BREEAM New Construction and BREEAM In-Use.
Case published 20.1.2025
We advised eQ Community Properties Fund in its acquisition of a property portfolio comprising a health centre in Espoo, a daycare property in Vantaa, an elementary school in Helsinki, and a parking facility property in Helsinki from Ilmarinen Mutual Pension Insurance Company. The lettable area of the first three properties is approximately 13,900 sq.m., while the parking facility offers 120 parking spaces. The portfolio’s tenants include the City of Helsinki, the City of Vantaa, the Western Uusimaa Wellbeing Services County, and Aimo Park Oy. In connection with the transaction, Ilmarinen invested in eQ Community Properties fund as per 31 December 2024.
Case published 9.1.2025
We assisted Nrep in the development of a residential building that will be built adjacent to the Arabia Shopping Centre in north-eastern Helsinki. Our assignment included assisting in a financing arrangement for the residential building, together with corporate and real estate arrangements related to the project. This involved restructuring through share transactions and a demerger, a zoning change, a change of plot division, a joint arrangement, and a management division agreement. The new 16-storey residential building will consist of 188 Juli Living rental apartments and additional business premises on the street level. Once completed, the building will be one of the most energy-efficient residential buildings in Finland. The financing arrangement complies with Nrep’s sustainability targets. LEED Platinum certification will be applied for the project, while the previous two LEED Platinum certificates for residential buildings have been awarded to Nrep’s Herttoniemi and Friisilä sites.
Case published 28.10.2024