YIT Corporation Press Release May 21, 2026, at 7:00 a.m.

YIT will build a new, high-quality residential building, Asunto Oy Helsingin Heikas, in Lauttasaari, Helsinki, which will blend in with the traditional building style of the area while meeting today's housing requirements. The planned four-story residential building at Isokaari 26 will offer 18 carefully designed homes that emphasize clear floor plans, spaciousness, natural light, and timeless aesthetics.

Heikas is aimed at urban residents who value quality and Lauttasaari's unique milieu. 18 high-quality homes are two-room, three-room and four-room homes. In addition, Heikas has one five-room home. The largest apartment covers an area of more than 160 square meters.

"The homes' architecture draws on the best features of functionalism, and modern technology, such as smart home solutions, will make living effortless and comfortable. Meticulous design and skillful implementation extend from architecture to the smallest details of every home, and the end result is refined and harmonious," said Johanna Avikainen, Product Category Director of YIT's Residential Finland segment.

The energy-efficient house in energy class A will utilize geothermal heat and a water-circulating underfloor heating and cooling system. High-quality material choices and polished details will make Helsingin Heikas a home where quality is evident in everyday life.  Residents will also have access to carefully designed common areas and a garage located under a lush courtyard with direct elevator access to the residential floors. Homes are being pre-marketed and can be reserved during week 22.

YIT Formia - a new product concept to complement YIT Homes

Uncompromising customer orientation guides the continuous development of YIT's apartment design and construction as well as customer service and experience. Based on extensive research, we have created a YIT Formia product concept to complement YIT Homes.

In YIT Formia homes, high construction quality meets Finnish design. At the heart of the product concept are airiness and a sense of space, harmonious design, and high-quality materials. The uniform and durable design language extends from the front door of the building and common areas to the smallest details of the home.

"YIT Formia homes offer functional floor plans and large windows that bring in plenty of natural light. Each home has a glazed balcony that extends the living areas outdoors. Helsingin Heikas is the first YIT Formia home, and high quality is evident in the premises and in the details. In addition, meticulous design and skillful implementation are at the heart of YIT Formia homes," said EVP, Mari Puoskari, YIT's Residential Finland segment.

In YIT Formia homes, the kitchen connects seamlessly to the other areas of the apartment, while having its own peaceful space. High-quality characterizes every detail of the home's equipment: kitchens have integrated appliances and quartz countertops. The washroom exudes an elegant spa atmosphere; the understated design of the fixtures and faucets and the wall-mounted toilet make the space feel uncluttered.

The unified tonal palette of YIT Formia homes creates a tranquil backdrop for a variety of interior decoration styles. The walls, interior doors, and moldings and baseboards having the same color allows the highlights of the interior to stand out. The living quarters have timeless oak parquet. Energy-efficient geothermal heat, apartment-specific ventilation, and underfloor heating and cooling ensure living comfort all year round.

Learn more:
www.yit.fi/heikas
www.yit.fi/formia

Further information:
YIT Group Communications, tel. +358 44 743 7536, press@yit.fi

YIT creates thriving living environments in Europe. We build homes for a good life, spaces where people and businesses can thrive, and infrastructure that supports the essential functions of society. We operate in seven countries and employ approximately 4,100 professionals. In 2025, our revenue was EUR 1.8 billion. YIT Corporation's shares are listed on Nasdaq Helsinki.

YIT. Tomorrow well built.

Learn more: www.yitgroup.com/en and follow us on LinkedIn I X I Instagram I Facebook

https://news.cision.com/yit-oyj/r/yit-launches-pre-marketing-for-asunto-oy-helsingin-heikas-and-introduces-a-new-product-concept,c4343876

https://news.cision.com/yit-oyj/i/yit-helsingin-heikas,c3537957

https://news.cision.com/yit-oyj/i/yit-helsingin-heikas-sisakuva,c3537958

https://news.cision.com/yit-oyj/i/yit-helsingin-heikas-isokaari-26-ja-28,c3537959

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