British property major Great Portland Estate has carried out two transactions to add to its existing 48,000 m[sup]2[/sup] Hanover Square estate in the West End of London. The first transaction involved a property swap with South Yorkshire Pensions Authority. Great Portland bought 1 Tenterden Street for £14.95 mln (EUR 22 mln) and sold 95 New Cavendish Street for £14.2 mln. The balance was settled in cash.