Londoners cashing out, selling houses in city

[LONDON] For equity-derivatives broker Andrew Adamson, it was a trade too good to pass up.

In October, he was offered £1,000 (US$2,100) per square foot for his London townhouse. Other homes in the area were going for about 30 per cent less. Mr Adamson accepted it immediately.

London's housing market, having outperformed the rest of the UK with price gains of more than 50 per cent i…