Case Study

Conducting the BREEAM New Construction certification process for the Skyliner skyscraper in Warsaw

Client: Karimpol
Total building area: 49 000 sq. m.
Floor area of the building: 1 500 sq. m.
Construction completion date: january 2021 r.


  • The project aimed to achieve a high level of certification for the Skyliner facility – BREEAM Excellent.
  • Specific and strict customer requirements and time pressure.
  • The building was designed in accordance with the idea of sustainability and adapted to function in relation to climate change. It was necessary to introduce innovative green solutions.
  • Prestigious investment – a skyscraper that is one of the tallest office buildings in Warsaw.
  • Demanding architectural design and its technical consideration
  • The site was located on a challenging site with limited space for a construction site.
Fot. Hampton by Hilton w łódzkim Hi Piotrkowska

What were the benefits for the client?

  • Successfully obtaining the BREEAM Excellent certification for the Skyliner high-rise building on time and within budget.
  • Enabling the tenants to modify the layout of their spaces to ensure the highest level of comfort for users.
  • Optimization of costs related to the functioning of real estate.
  • Over 83% of the space has access to daylight at the level required by BREEAM, which defines the very highest standards for employee-friendly working environments.
  • The BREEAM certification at the Excellent level is a confirmation of the highest quality standards and practices in force on the market.
  • All of the office work spaces are located near windows that provide views of the outdoors.
  • Seamless flow of information between the parties involved.
Photo: Skyliner building in Warsaw
Client recommendation

"We were pleased with the way we worked together, which is why we decided to go ahead with another joint certification process for the Skyliner II facility with the consultancy JW+A."

“We have partnered with JW+A to assist during the BREEAM certification process at the Excellent level for the Skyliner skyscraper in Warsaw.

Extensive design challenges, a specific lead time and a building of exceptional stature were just some of the elements that made up the complex process. JW+A’s specialists demonstrated effective commitment and thoroughness, enabling the certification process to be completed in the timeframe envisaged and achieving the desired level – Excellent with an impressive score of 77.8%.

Many stakeholders were involved in the process. Complex communication also posed no problem for JW+A. The BREEAM certification process was a complete success, which would not have been possible without the support and invaluable assistance of the consultancy team. We were pleased with the way we worked together and have therefore decided to pursue another joint certification process for the Skyliner II site with JW+A consultancy.”

Szymon Zduńczyk

Executive Director at Karimpol

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