ISG wins £59 million Old Bailey scheme


ISG has been awarded a £59 million office refurbishment scheme in London’s Old Bailey by Blackstone, the leading global asset manager. This win further strengthens ISG’s relationship with Blackstone, with the company also delivering office projects at the iconic Adelphi Building and One American Square.

Located opposite the famous criminal courts, the 1980s era building at 20 Old Bailey will undergo a comprehensive modernisation and upgrade programme, involving extensive structural alterations and internal remodelling, renewal of the frontal elevation and the addition of two further floors at roof level. On completion, the building will provide circa 240,000 sq ft of high-specification Cat A office accommodation.

The transformation of the building’s façade sees ISG create a contemporary yet sympathetic new elevation, with stone, aluminium and glazed architectural treatments. Major structural work includes column strengthening to facilitate the installation of the additional floors at roof level.

ISG will also carry out wide-ranging remodelling works, infilling the existing square atrium in the centre of the building and creating a new, larger, rectangular atrium towards the front of the building. The new atrium will also extend downwards to ground floor level to maximise the volume of natural light entering the reconfigured building.

To further unify accommodation at 20 Old Bailey and create additional capacity at the sixth, seventh and eighth floors, ISG will extend these stepped back floor plates in line with the new façade. ISG will relocate and form a new main core, infilling two existing cores, a staircase and service risers to create more spacious open floor plates at all levels. The steel frame roof extension will be stepped back from the main façade and incorporate balcony structures across the two new levels. The project also includes remodelling three existing basement floors to provide cycle storage, changing, shower and locker facilities.

Stuart Deverill, ISG’s Southern regional managing director, commented: “Blackstone has an enviable pedigree for acquiring underperforming property assets in prime London locations and re-positioning the space to create highly-desirable commercial office space. This highly specialised and logistically complex project plays to our significant strengths delivering central London heavy office refurbishment schemes and underlines our commitment to forging strong relationships and working in partnership with our existing customer base.”


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BDC 317 : Jun 2024