Taxi fare in London from London Heathrow Airport, Greater London, UK to Canary Wharf, Poplar, Greater London, E14 4, UK

There is a £2 additional fee for cabs called by phone
Some taxis accept credit cards, usually with a surplus of 10% to 15% in the price from the meter.
Tipping on taxi services is not mandatory, although it may be expected, at about 10%.
It can be difficult to hail a cab in popular tourist or nightclub areas, and drivers are perfectly within their rights to refuse a fare, especially if they suspect you've been partying hard.
More useful tips in wikitravel

[*] The price per unit are averages of the different prices applied to the sections of the trip.

more information on : Transport for London

		Any help will be appreciated :-) Tell us about new cities you'll like to be supported, how much did this taxi trip really cost you or just whatever you want to.
19 + 3 =		(solve this simple equation)
		your email, so we can contact you back.

World Taximeter