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Turning Torso

Turning Torso is a neo-futurist residential located in , , designed by Spanish architect and completed in 2005. Standing at 190 meters (623 feet) tall with 54 floors, it features a distinctive twisting form composed of nine pentagon-shaped units that rotate 90 degrees from base to spire, inspired by Calatrava's own white marble sculpture of a human torso in motion. Upon its opening on August 27, 2005, it became the tallest building in and the world's first twisting high-rise, a title it held until 2022, symbolizing the regeneration of 's Western Harbor district near the Öresund Bridge. The structure serves as a , housing 147 luxury apartments across its upper floors, along with spaces and facilities on the lower levels, all supported by a robust of 25,000 cubic meters of and 4,400 tons of reinforcing anchored to the . Its innovative incorporates advanced to withstand high winds, earning accolades such as the CTBUH 10-Year Award in and the fib Award for Outstanding Structures in 2006. Despite challenges including budget overruns and harsh weather, Turning Torso has become an iconic , drawing visitors for guided and exemplifying modern architectural ambition in .

History

Conception and Planning

The design of Turning Torso drew inspiration from Spanish architect and sculptor Santiago Calatrava's 1999 white marble sculpture "Twisting Torso," which portrays a human figure captured in dynamic motion, evoking the spine's rotation. The project was initiated in 1999 by HSB Malmö, the regional arm of Sweden's largest tenant-owners' cooperative, as a key element in revitalizing the Western Harbour district—a former industrial shipyard area that had suffered economic decline since the 1970s, culminating in the closure of the Kockums shipyard in 1986, leading to significant job losses and population outflow. This initiative aligned with Malmö's broader urban regeneration efforts, including the Bo01 housing exhibition planned since 1998, aimed at transforming the post-industrial waterfront into a sustainable mixed-use neighborhood. The selected site at Lilla Varvsgatan 14, adjacent to the Öresund Bridge connecting Sweden and Denmark, was chosen to position the tower as a symbol of Malmö's modern resurgence, effectively replacing the iconic but dismantled Kockums Crane as the city's dominant skyline feature. During the planning phase, Calatrava was directly invited in 1999 to develop the concept, bypassing a formal competition, with an initial budget estimated at 800 million SEK; the project gained municipal approval in 2000 following discussions on its unprecedented height and compatibility with the surrounding low-rise urban context. HSB served as both developer and long-term owner, while NCC participated as the primary contractor starting from preliminary coordination stages.

Construction

Construction of the Turning Torso commenced with on 14 February 2001, marking the start of a led by contractor . The building reached its structural in October 2004, after which finishing work continued until completion in August 2005, with the official opening on 27 August 2005. NCC employed innovative methods to realize the twisting design, utilizing prefabricated elements for the exterior that provides structural support and defines the building's dynamic form. The assembly process involved sequential stacking of nine pentagonal segments, each comprising five stories and rotating 10 degrees relative to the one below, achieving a total 90-degree twist from base to . Key engineering feats included erecting the central core first to bear vertical loads, followed by attachment of the external framework to handle shear forces and enable the rotational configuration. These high-altitude assembly techniques for the twisting elements were highlighted in a 2004 episode of Channel's series, which documented the challenges of building Europe's then-tallest residential . The project faced significant budget overruns, with the final cost reaching 1.8 billion Swedish kronor (SEK), more than double the initial estimate of 800 million SEK, attributed to rising material prices and the intricacies of the unconventional design. In response to weak sales interest amid 2005 market conditions, owner HSB shifted the 147 luxury apartments from for-sale to rental units in May 2005 to ensure occupancy. Involving a peak workforce of approximately 500 workers at times during the four-and-a-half-year build, the emphasized protocols for the demanding high-altitude work, resulting in no major accidents reported. This successful execution underscored NCC's expertise in managing and on-site integration for such an ambitious structure.

Architecture

Design Concept

The Turning Torso embodies a neo-futurist architectural style, crafted by Spanish architect and sculptor , who seamlessly integrates sculptural elements with functional building design to capture the essence of human movement and dynamism. The concept originated from Calatrava's own white marble sculpture titled Twisting Torso, which depicts a human figure in mid-rotation, symbolizing vitality and forward momentum; this artistic motif was scaled up to form the tower's core idea during the 1999 invitation to contribute to Malmö's Western Harbor redevelopment for the Bo01 housing exhibition. By blending organic form with modern engineering, the structure serves as a landmark that evokes the energy of urban progress and the fluidity of the . At 190 meters tall and comprising 54 floors, the building's silhouette is defined by nine pentagonal segments, each five stories high, with floors rotating approximately 1.6 degrees relative to the one below, resulting in a dramatic helical profile that distinguishes it as the world's first twisting . This rotation achieves a total twist of 90 degrees from base to apex, created through stacked slabs around a central core. Functionally, the design zones the lower two segments (floors 1-10) for commercial offices, accommodating professional spaces, while the upper segments (floors 14-52) house 147 luxury residential apartments of varying sizes, with floors 53-54 dedicated to conference facilities and mechanical areas. This vertical stratification optimizes light, views, and privacy, aligning the building's form with practical mixed-use needs. Aesthetically, the tower's exterior features a cladding of curved aluminum panels and extensive windows—approximately 2,313 panels and 2,368 windows—that produce a shimmering, reflective surface which shifts with daylight and weather, enhancing its sculptural presence. At the base, the structure integrates with Malmö's public waterfront plaza in the Western Harbor district, fostering a seamless connection between the tower and surrounding pedestrian pathways to promote and . Symbolically, the twisting form draws from the dynamism of the human to represent renewal and aspiration, transforming a former industrial site into a of contemporary innovation.

Structural System

The structural system of Turning Torso relies on a central core as the primary vertical load-bearing element, which also accommodates , elevators, and technical services. This circular core has an inner of 10.6 meters and a thickness varying from 2.5 meters at the base to 0.4 meters at the top, poured to support the full 190-meter height of the building. The core's central aligns precisely with the center of the plates, enabling the cantilevered design that eliminates internal columns across the residential floors. Complementing the core is an external functioning as a trussed with diagonal braces and struts, designed to resist torsional forces, loads, and by transferring them to the core at each segment's . This weighs approximately 900 metric tons and uses high-strength , allowing for the building's dynamic form while providing inherent against external vibrations. Floor slabs, cast and square at the core transitioning to conical at the perimeter, connect to the via custom nodes that facilitate the progressive . The twisting mechanism divides the structure into nine pentagonal segments, each comprising five stories, with each floor rotating approximately 1.6 degrees relative to the one below to achieve a total 90-degree twist from base to apex. This configuration, the first of its kind in a , optimizes wind resistance by dispersing airflow and was engineered to Eurocode standards for the climate's wind and low seismic demands. The facade incorporates insulated glass panels for enhanced thermal performance, contributing to the building's overall stability and energy efficiency. At 190 meters to the roof, with the highest habitable floor at 178.79 meters, Turning Torso held the record as the region's tallest building until 2022, demonstrating the efficacy of its core-and-outrigger in enabling unprecedented sculptural freedom in high-rise engineering.

Interior Layout

The Turning Torso features 147 residential apartments distributed across floors 14 to 52, configured as one- to five-bedroom units ranging in size from 45 m² studios to 190 m² penthouses, with luxury finishes including polished limestone floors and floor-to-ceiling windows providing panoramic views of and the Öresund Strait. These apartments incorporate individual monitoring systems for , hot, and water usage to promote efficient consumption. The lower levels, specifically the first two structural units spanning 10 floors, house approximately 4,000 m² of commercial office space equipped with dedicated elevators for tenant access. Floors 53 and 54 are reserved for conference facilities, including divisible meeting rooms with capacities up to 80 guests per floor, offering exclusive views from the tower's apex. Shared amenities enhance resident convenience, with a state-of-the-art , , and available— the latter located on floor 43—alongside and wine room areas for communal use. An underground parking garage connects directly to the building, providing secure spaces for approximately 120 vehicles and additional storage units per apartment. Five high-speed elevators, operating at up to 5 m/s and housed within the central concrete core, serve the twisted floors efficiently, with separate systems for residential, office, and service access. Sustainability is integrated into the through an energy-efficient HVAC system with individual metering, a featuring high-performance windows that meet Malmö's energy objectives, and reliance on 100% locally produced sources. The total floor area of 27,500 includes about 13,500 dedicated to residential use, emphasizing mixed-use . The twisting form optimizes interior views by rotating each level approximately 1.6 degrees relative to the one below, enhancing and orientation.

Significance

Awards and Recognition

Turning Torso has garnered numerous accolades for its pioneering twisted design and contributions to high-rise architecture. In 2005, it won the Gold Skyscraper Award, recognizing it as the best new skyscraper completed that year worldwide, praised for setting a new model for flexible design in dense urban environments. The same year, the building received the MIPIM Award for Best Residential Development at the MIPIM fair in , honoring its excellence in residential high-rise innovation and quality of life enhancements. Further recognition came in 2006 with the fib Award for Outstanding Concrete Structures from the International Federation for Structural Concrete, awarded for its innovative use of concrete in achieving the building's dynamic, twisting form while ensuring structural integrity. In 2015, ten years after completion, Turning Torso earned the CTBUH 10 Year Award from the Council on Tall Buildings and Urban Habitat, celebrating its enduring performance, cultural significance, and influence on subsequent twisted tower designs globally. The tower's sculptural rotation, inspired by the human form, positioned it as a in architectural , and it has been included in CTBUH's list of the 50 Most Influential Tall Buildings of the last 50 years for advancing height innovation and sustainability in urban contexts.

Impact on Malmö

The completion of Turning Torso in 2005 served as a pivotal catalyst for the regeneration of 's Western Harbour district, transforming a former industrial area into a vibrant residential and commercial neighborhood. By acting as a landmark, the building attracted new residents and spurred business growth in the surrounding Västra Hamnen area, contributing to the broader that emphasized sustainable living and modern . This shift helped reposition as an innovative European city, drawing in professionals and investors to what was previously an underutilized waterfront zone. Economically, the project generated significant activity during its construction phase from 1999 to 2005 and continues to bolster the local economy through and heightened appeal. The tower's iconic has made it a major draw for visitors, enhancing Malmö's profile as a destination and supporting related services in and . Its presence has also driven up values in the Western Harbour, reflecting increased demand for high-quality urban spaces in the region. Culturally, Turning Torso symbolized Malmö's transition from an industrial port city to a contemporary hub of design and innovation, particularly in tandem with the 2000 opening of the Öresund Bridge that linked Sweden and Denmark. The building overcame initial local skepticism regarding its ambitious scale, cost, and potential dominance of the skyline, ultimately becoming a point of civic pride that fostered a sense of modernity and openness. This transformation integrated Malmö more deeply into the cross-border Öresund region's economic and cultural dynamism. As the tallest building in the from 2005 until 2022—when it was surpassed by Gothenburg's —Turning Torso left a lasting legacy by inspiring trends in sustainable high-rise across . Its pioneering twisted form and eco-friendly features, such as energy-efficient systems, encouraged subsequent projects to prioritize environmental integration in urban . Despite early concerns about affordability for residents, the tower demonstrated the viability of luxury models in revitalizing post-industrial cities.

Usage and Events

Current Status and Ownership

The Turning Torso remains under the ownership of HSB , a , which has managed the building since its completion in 2005 with no reported changes in ownership as of 2025. The structure operates as a mixed-use facility, featuring 147 rental apartments primarily on floors 14 through 52, alongside approximately 4,200 square meters of on the lower levels. The total floor area of 27,500 square meters is fully operational, supporting residential, commercial, and conference functions. Maintenance efforts include a 2022 modernization of the elevators to enhance efficiency and digitized monitoring, as well as upgrades to HVAC controllers for improved building management. The building continues to draw thousands of visitors annually through guided tours and public access programs, with seasonal offerings promoted for 2025. Conference spaces on the upper floors host events for up to 80 participants, contributing to ongoing utilization. No structural issues have been reported, and the property marked its 20th anniversary in 2025 with celebrations highlighting its enduring role as a Malmö landmark. The building maintains 100% renewable energy supply from local hydro, wind, solar, and geothermal sources, aligning with its original sustainable design.

Notable Events and Public Access

One of the most notable events associated with Turning Torso occurred shortly after its completion, when Austrian adventurer parachuted from a onto the building's roof before performing a base jump to the ground on 18 August 2006. This daring stunt, executed on the then-new 190-meter structure, garnered significant global media attention for its audacity and highlighted the tower's prominence as a . Turning Torso has received exposure in various media, including documentaries that explore its construction and architectural innovation. The 2005 Swedish film The Socialist, the Architect and the Twisted Tower provides a behind-the-scenes account of the building process, focusing on the collaboration between architect and local stakeholders. It has also appeared in episodes of the television series Skyscrapers: Engineering the Future, which examines advanced techniques used in modern high-rises. In recent years, the tower has been promoted in Malmö's tourism initiatives, such as guided summer visits emphasizing panoramic views of the city and Öresund Strait. Public access to Turning Torso is limited due to its primary function as a residential and office building, but opportunities exist for visitors. The 49th floor features a public offering views of and surrounding areas, though entry is restricted and not always available without prior arrangement. Guided tours, organized through the official visitation service, provide access to the 54th floor for lectures and viewpoints; these run year-round for groups and are open to the public from to , with tickets priced at 195 per adult (100 SEK for children under 12) and available on weekdays during limited hours. Additionally, the upper conference floors are bookable for events, accommodating up to 80 participants with customizable presentations on the building's design. The tower has hosted recurring public events, including serving as a vantage point for Malmö's annual fireworks displays, which illuminate the Western Harbour area and draw crowds to the vicinity since the building's opening in 2005. Through 2025, no major incidents such as fires or protests have been reported at the site, maintaining its reputation as a secure .

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