The firm will build the 388,000 sq ft  ‘P2’ building at Lewis Cubitt Square, south of the main Facebook HQ complex to be delivered by BAM Construction.

The 12-storey scheme, the latest project being delivered as part of the 67 acre redevelopment, will primarily comprise of office accommodation over nine floors.

It will also include a 600-seat theatre with associated bar and front & back of house facilities.

Work has already begun on the pre-construction phase and P2 is due to be completed in 2021.

Peter Young, executive director, Kier Regional Building said: “Building on our extensive experience in the area, we are delighted to again be working at King’s Cross on this important new scheme.”