Adelphi Building, London

Extensive refurbishment of art deco building to deliver high quality office accommodation

Designing and installing a new five storey atrium and roof light in keeping with its Grade II listed art deco surroundings was just one of the challenges met by Glassolutions as part of ISG’s £30 million refurbishment of the iconic Adelphi Building on London’s Victoria Embankment.


Glassolutions worked closely with architects Aukett Swanke and the main contractors as part of the expert team rejuvenating one of London’s most important art deco structures. The two firms had successfully teamed up previously on the refurbishment of 123 Victoria Street in London.

ISG secured the contract with global investment firm Blackstone to remodel and refurbish floors one to six of the iconic building to create 190,000 sq ft of high-spec open plan office accommodation. The work involved significant structural alterations to upgrade and sensitively modernise the building, including the reinstatement of internal light wells to maximise the volume of natural light entering the structure at lower levels.


The Glassolutions team completed the complex £1 million interior and exterior glazing project within just 20 weeks, using a range of glazing options within the Schueco window and curtain walling system.

Bespoke engineered glass solutions, including challenging deflection tolerances were required to deliver the glazing specification within the listed building. Externally, the building’s existing smoked glass windows have been replaced with high performance clear glass units featuring a range of glass including Planidur COOL-LITE SKN165, Security HST Toughened Planitherm Ultra N on outer panes of sealed units and Stadip Protect laminated on inner panes. Where fire rated glass was required Glassolutions used a combination of Securit Planitherm Total+ and 25mm Contraflam 60 on inner panes.

Within the atrium, and for the screens and doors at ground floor level, Stadip Silence clear toughened HST acoustic laminate was used to deliver Rw 41dB acoustic performance.

Where the building steps in at level six, a new landscaped roof terrace area overlooking the reinstated glazed light wells has been created featuring glazed balustrading using Glassolutions SGG security glazing with handrail.


SECTOR Contracting

Conception, engineering and installation of glazed façades and building envelopes.

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