Carter Jonas has doubled the size of its headquarters by taking another floor in the building in central London.

It has added another 6,760 sq ft of space at One Chapel Place, W1.

In December 2013, Carter Jonas moved 30 staff from its previous headquarters in Berkeley Square to its existing premises just off Oxford Street.

In the last five years, the number of people located in its headquarters has more than tripled to over 100.

On a national level, Carter Jonas has 410 fee earners, and One Chapel Place forms part of the business’s network of 37 offices across the UK.

In the last five years Carter Jonas’ revenues have doubled with its annual turnover in the year ended April 30 increasing to £60.8m and with pre-tax profits of £11.5m.

A highly diversified firm, it has commercial, planning and development teams as well as offering residential sales and lettings, and country estate management, while its clients include the likes of Highways England, Homes England, and Hertfordshire County Council.