Commercial: 4 Kingdom Street, Paddington, London

NSCJuly2016digi

Commercial 22 NSC July/Aug 16 Paddington Central campus is a mixed-use development situated alongside the Grand Union Canal and adjacent to Paddington Station. Part of a wider redevelopment of a once industrial area of central London, the campus benefits from both good transportation connections, which will be further boosted once Crossrail opens in 2018, and a tranquil canal-side city centre setting. 4 Kingdom Street is a 13,500m2 ninestorey steel-framed office building being built on the second to last vacant plot within the campus. Following its acquisition of the Paddington Central campus in July 2013, British Land appointed architects Allies and Morrison to review and update the design of 4 Kingdom Street, which had originally been granted planning consent in 2010. In 2014, Westminster City Council approved changes to the scheme, which retained the consented bulk and massing, while providing increased flexibility to the office floorplates along with improved amenities for occupiers. The re-designed building now has typical floorplates of 1,405m2. The core of the building has been relocated to maximise space and efficiency, creating more flexible floorplates and greater optionality for occupiers. The building also includes a communal roof terrace, which provides outside space for breakout, entertaining and sporting facilities. With the redesign taken on board, main contractor Wates Construction started on site in June last year. The building sits atop a steel-framed podium deck that dates back to 2004 see box. Utilising this existing structure meant preliminary works were minimal and the superstructure began to be erected early in the construction programme. Using the same 12m × 12m grid pattern as the podium has created clear column-free internal spans. Fabsec cellular beams, up to 600mm deep, have been used throughout the building to accommodate services. Structural stability for the building’s steel frame is provided by the large slip-formed core, along with the diaphragm action of the composite flooring, which consists of metal decking and a concrete topping. “The building features quite a lot of exposed steelwork in the offices and public spaces, which is an architectural nod towards the nearby historical Brunel structures,” says Allies & Morrison Associate Director Hayden French. Each floor has a large corner terrace and a glass pod designed as a creative meeting space. Both of these standout features incorporate exposed steel and detailing, with the corner terraces also presenting the team with an installation challenge. Kingdom of steel One of the final structures within the 11-acre Paddington Central mixed-use campus is currently under construction with steelwork playing a crucial role. Martin Cooper reports. FACT FILE 4 Kingdom Street, Paddington, London Main Client: British Land Architect: Allies & Morrison Main contractor: Wates Construction Structural engineer: Ramboll Steelwork contractor: William Hare Steel tonnage: 2,400t Meeting room pods are attached to each floor


NSCJuly2016digi
To see the actual publication please follow the link above