Venk,
I must respectfully disagree. Do take the Heathrow Express into London, but stay at the Hilton Paddington Station. First, its a much nicer hotel. Second, you can go directly from the train station into the hotel.
The hotel itself will take you back to the grand old days of elegant travel.
http://www.hilton.com/en/hi/hotels/i...tyhocn=LONPDHI
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danville 1K