easiest way from gatwick to heathrow

So can anyone tell me what they think the easiest way is to get from Heathrow to Gatwick, is the Heathrow Express, a jump on the tube, then Gatwick Express the best way forway?

C

National express from the Central bus station or T4 coach stop.

[honey lamb]

I did it by National Express too - no problem

thanks for your quick replies.. how long is the express of national?

[honey lamb]

It normally takes an hour but we were lucky on the M25 and it took considerably less than that. This link might help