Facebook 'to join King's Cross tech cluster' The social network has placed 90,000 sq ft of the Regent's Place development under offer, according to Property Week. Facebook was seeking "overflow" space to add to its current offices in Covent Garden, it said. Twitter has already taken 18,000 sq ft in the property on Brock Street, which is owned by British Land. It is a short distance along Euston Road from the site of Google's new UK headquarters, which won planning approval this month. It will have a swimming pool and a running track on the roof for its 5,000 workers. The building is also expected to include a 20,000 square feet area for bike parking, about the size of seven tennis courts, and a climbing wall between floors. Amazon is also investing in new property in the capital. It is moving to new headquarters in Holborn. Facebook declined to comment on the report.