Mace is to redevelop Euston Tower in central London for developer British Land.
Construction News understands the contractor has been selected by the client to transform the office building near Regent’s Park.
Camden Council last week granted planning consent for the venture, which is designed to attract science and technology firms.
The project is worth £600m, according to data intelligence provider Glenigan.
A report to the local authorityVs planning committee said the scheme would involve “substantial demolition/deconstruction of the existing tower”.
The redeveloped tower will be built to the same height but with an additional 24,999 square metres of floorspace.
The report to councillors said British Land aimed to create “a world-leading science, technology and innovation building”.
The developer said the replacement tower would be all-electric and target BREEAM Outstanding status.
David Lockyer, head of development at British Land, said the redeveloped building will be the “first West End tower in a generation”.
He said it is ideally located between the Knowledge Quarter and the West End and will enable businesses to benefit from “the great concentration of academic and research institutions between Harley Street and King’s Cross”.
Plans include 370 square metres of restaurant and cafe space, with terraces overlooking revitalised public realm, as well as 740 square metres of facilities for local entrepreneurs, startups and innovation.
Danish architecture practice 3XN GXN is leading design of the project, supported by London-based practice Adamson Associates.
Built in the 1960s, Euston Tower was last year granted a certificate of immunity from listing by Historic England, which lasts until July 2029.
HS2 Ltd asked for measures to be put in place to mitigate the impact of the proposed construction project on delivery of the high-speed rail line, which will terminate at Euston. Council officers said liaison duties with HS2 had been included in planning obligations.
Earlier this month, Mace also won a £140m project to deliver a 180-metre extension to a pier at London Gatwick, which will see it deliver eight aircraft gates next to the airport’s runways.
It has also been appointed on the £92.6m main construction contract to build a new headquarters for the European Centre for Medium-Range Weather Forecasts.
And last year, the contractor took over the £300m project to finish work on a neuroscience building for University College London following the collapse of ISG.
