Helical and its joint venture partner The Baupost Group have exchanged on the sale of 90 Bartholomew Close, Barts Square, EC1 to La Francaise Real Estate Partners International (LF REPI), a pan-European investment business acting on behalf of a French collective real estate investment vehicle. The disposal price of £48.5m reflects a net initial yield of 3.92% (£1,594 per sq ft capital value).