Mayfair serviced office space for rent in Barclays Wealth former head office. 41-43 Brook Street provides over 25,000 sq. ft. of modern, high-spec workspace. The neutrally decorated office suites, ranging from 2 to 40 in capacity, are connected by light, vibrant communal spaces featuring plenty of breakout areas.Full of period character and comfortably furnished, the Executive Lounge is a refined space where you can meet, work and network. The lounge is fully covered by WIFI and supported by our dedicated team, so you can just plug in your laptop and go.The offices at Brook Street are arranged around a serene courtyard garden. A unique oasis of calm in central Mayfair, the courtyard is the ideal place to take a breather, hold an informal meeting or take a working lunch.