Car service in London

This is a car service we used in London that was quite good. It was a few years back, though, so no guarantees.

London Airport Cars (now London Heathrow Cars)
londonheathrowcars.co.uk
TEL: +44 20 8814 2727 UK FREEPHONE: 0800 505 3231

From Heathrow to Gatwick from £65.