Fraser Bond are the leading lettings and property management agents for 200 Aldersgate - London EC1A. 200 Aldersgate is a 370,000 sq ft office building with ancillary retail. 2011 - Originally constructed in 1992, the building was refurbished by the designs of architects MoreySmith by Helical. 2013 September - Ashby Capital buys 200 Aldersgate from Helical Bar.