In message
, at
19:13:45 on Sun, 22 Aug 2010, PeterL remarked:
But due to the late hours and unfamiliarity, a taxi is
preferred to light rail.

9pm isn't late for London - especially as you'll get out of City airport
very quickly.

This site estimates the taxi fare at £40:

http://www.worldtaximeter.com/london

Although what they really want to do is have you pre-book what we call a
"minicab", which probably isn't recommended for someone in your
circumstances.
--
Roland Perry