BRITISH Land, which owns the Debenhams building in Manchester and Merseyside's Speke Shopping Park, today hailed the strength of its portfolio as it reported improved annual results.The country's second largest property company said its net asset value, a key indicator of growth, for the year to March 31 grew 27% to 504p a share, trumping a 468p forecast.British Land's total portfolio is now valued at £8.5bn, up by 13.5% on last year.Chief executive Chris Grigg said: "In a year of real volatility, we have performed well, refl......for the full story register now for free or login below...