Fabian 21

Fabianinkatu 21

Kaartinkaupunki, Fabianinkatu 21, 00130 Helsinki

The completely renewed and centrally located Fabian 21 will offer versatile services and modern premises that are suitable for a head office as well as hybrid work.

The building was completely renovated and in connection with the renovation, the main entrance moved from Unioninkatu to Fabianinkatu 21, where an elegant and impressive lobby was completed.

The renewed facilities offer a working environment that supports your staff’s wellbeing. Depending on your needs, the space can be arranged into offices of approximately 200–3,000 square metres.

Fabian 21 is located in the heart of the Kaartinkaupunki business centre. This property is close to the sea-front, parks and the Old Market Hall as well as the area's boutique hotels and premium restaurants. There is also a large grocery store and a post office in Kasarmitori Square. State-of-the-art facilities in an idyllic neighbourhood with a sophisticated but relaxed atmosphere. Kaartinkaupunki is a charming mix of old and new. A peaceful place in the centre of Helsinki.

Check out the Fabian 21 video

At Fabian 21, sustainability plays a key role. This house uses 100% wind power, and the solar plant soon to be installed on the roof will produce renewable energy and further reduce the house’s environmental impact. The BREEAM In-Use Excellent environmental certificate demonstrates the house’s commitment to sustainable development.

Property details

Accessibility

Fabian 21 is located in the immediate vicinity of the Market Square, Esplanadi Park and Kasarmitori Square. The transport connections are excellent: trams run nearby and Helsinki Central Railway Station and the University of Helsinki metro station are 600 metres away.

Services

Restaurant Scolare and lunch restaurant Bank operates in the property. Tapahtumatalo Bank offers also meeting rooms as well as venues and services for organizing events. The Elixia gym located in the building supports well-being at work. Fabian 21’s excellent public transport, bike parking, the building’s own city bike, electric car charging points and renewed social facilities encourage sustainable mobility for its users.

Parking

The property has 50 pcs parking spaces in the parking garage and 29 pcs outside. The parking facilities Aimo Park Kasarmitori and Aimo Park Erottaja are also close by.

Available spaces

Overview Summary

Office space – 7th floor
Office space – 7th floor

A unique penthouse with a private balcony and windows overlooking three directions. Suitable for multi-function use and is customised according to the customer’s needs.
- Floor area
  
  2336 m²
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Office space – 3rd floor
Office space – 3rd floor

Refurbishment and space arrangements are implemented according to your wishes. There are two entrances to the space.
- Floor area
  
  1205 m²
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Office space – 5th floor
Office space – 5th floor

An office with efficient use of space. A view overlooking Kasarmitori square in a part of the space. A light aperture in the middle of the space creates unique lighting in the space.
- Floor area
  
  1131 m²
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Office space – 5th floor
Office space – 5th floor

An office with an efficient use of space. An unobstructed view of Kasarmitori square. A light aperture in the middle of the space creates a unique lighting in the space. A renovated entrance in a historical stairwell.
- Floor area
  
  628 m²
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Office space – 5th floor
Office space – 5th floor

An open-plan office with efficient use of space. A light aperture guarantees a unique lighting of the space.
- Floor area
  
  500 m²
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Office space – 4th floor
Office space – 4th floor

Available from 11/2025; a bright and compact office space with a good layout.
- Floor area
  
  179 m²
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Office space – 5th floor
Office space – 5th floor

There are neat office rooms of 33 m2 available. The premises have a shared toilet and kitchen area on each floor. In addition, there is a common meeting room on the top floor, which can be used free of charge, and lobby service and electricity are included in the rent.
- Floor area
  
  33 m²
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Office space – 3rd floor
Office space – 3rd floor

There is a neat office room of 33 m2 available. The premises have a shared toilet and kitchen area on each floor. In addition, there is a common meeting room on the top floor, which can be used free of charge, and lobby service and electricity are included in the rent.
- Floor area
  
  33 m²
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Office space – 5th floor
Office space – 5th floor

There are neat office rooms of 33 m2 available. The premises have a shared toilet and kitchen area on each floor. In addition, there is a common meeting room on the top floor, which can be used free of charge, and lobby service and electricity are included in the rent.
- Floor area
  
  33 m²
Contact us

Name	Floor	Area	Availability	Description
Office space	7	2336 m²	Free	A unique penthouse with a private balcony and windows overlooking three directions. Suitable for multi-function use and is customised according to the customer’s needs.
Office space	3	1205 m²	Free	Refurbishment and space arrangements are implemented according to your wishes. There are two entrances to the space.
Office space	5	1131 m²	Free	An office with efficient use of space. A view overlooking Kasarmitori square in a part of the space. A light aperture in the middle of the space creates unique lighting in the space.
Office space	5	628 m²	Free	An office with an efficient use of space. An unobstructed view of Kasarmitori square. A light aperture in the middle of the space creates a unique lighting in the space. A renovated entrance in a historical stairwell.
Office space	5	500 m²	Free	An open-plan office with efficient use of space. A light aperture guarantees a unique lighting of the space.
Office space	4	179 m²	Free	Available from 11/2025; a bright and compact office space with a good layout.
Office space	5	33 m²	Free	There are neat office rooms of 33 m2 available. The premises have a shared toilet and kitchen area on each floor. In addition, there is a common meeting room on the top floor, which can be used free of charge, and lobby service and electricity are included in the rent.
Office space	3	33 m²	Free	There is a neat office room of 33 m2 available. The premises have a shared toilet and kitchen area on each floor. In addition, there is a common meeting room on the top floor, which can be used free of charge, and lobby service and electricity are included in the rent.
Office space	5	33 m²	Free	There are neat office rooms of 33 m2 available. The premises have a shared toilet and kitchen area on each floor. In addition, there is a common meeting room on the top floor, which can be used free of charge, and lobby service and electricity are included in the rent.