StockMarketWire.com
Great Portland Estates' portfolio valuation rose by 3.1%, 5.2% and 8.2% over three, six and 12 months respectively.
And the group's has seen rental growth of 0.9% (1.3% West End offices, 0.4% West End retail) in its first quarter to the end of June.
Chief executive Toby Courtauld said: "Against a backdrop of global economic turbulence and increased central bank monetary stimulus, a significant quantity of capital from around the world continues to flow into the central London property market, resulting in yields reducing in the quarter for prime West End assets.
"With resilient tenant demand, minimal vacancy of Grade A space and constrained development supply, we expect further rental growth, particularly at our well-located, high quality buildings."