From Heathrow Terminals 1-3 train to Lancaster Gate Underground Station, Tube to London Liverpool Street, train to Manningtree, then train to Harwich International. 2hrs 34min £44. From Heathrow Airport London bus to Colchester Town Centre, Stanwell Street (Colch Bus Stn) then bus to Upper Dovercourt, Dovercourt Hospital. 3hrs 58min £62. From Heathrow Central Bus Station line 724 bus to Harlow Town Centre, Bus Station (Harlow Bus Stn), line 59 bus to Chelmsford City Centre, Bus Station (Chelm Bus Stn), bus to Colchester Town Centre, Angel Court (Colch High St), then bus to Upper Dovercourt, Dovercourt Hospital. 7hrs 52min £22. From London Heathrow Airport (LHR) drive to Harwich. 1hrs 52min £26.