(Sharecast News) - UK Commercial Property REIT said it has completed the off-market sale of 15 Great Marlborough Street, an office asset in London's Soho, to Royal London Asset Management for £73.2m.The nine storey building has 0,094 sq ft of retail accommodation on the ground and lower ground floors, and is 100% occupied by Sony Interactive Entertainment, Costa Limited and Fitness First.Aberdeen Standard Investments, which manages the trust said the decision to sell "crystallises significant value for our shareholders".This sale is in line with our strategy to grow earnings by transferring capital to higher yielding stock with sustainable income streams with growth potential," said Aberdeen lead manager Will Fulton.