Truth about the London flat-price Armageddon: Values have plummeted by up to a THIRD and homeowners are facing huge losses. Now experts reveal the hardest-hit areas, what you can do... and if now's the time to buy

The London flat market is in free fall, stark figures reveal. Owners in some parts of the capital have seen the value of their home fall by as much as 18 per cent in the past year alone.