Fraser Bond are the leading lettings and property management agents for 20 Farringdon Street - London EC4A. 20 Farringdon Street is an office development in London EC4. Grade A office space designed by Denton Corker Marshall over 11 storeys. - 6 terraces on the 9th, 10th and 11th floors. - Private entrance off the Cycle Superhighway for cyclists. - HubHub flexible office space available. Developed by HB Reavis, the office building completed in 2018. BREEAM Excellent certification. 2020 June - HB Reavis sells the office building to a Hong Kong based private investor. HB Reavis informed that HubHub.