Thanks for your help,
Getting the 0849 from Horsham to London Victoria, arrives at 0940 , Zone 1-6 Travelcard, £13.50
Victoria Line to Oxford Circus - change - Bakerloo Line - Baker Street
Globe Pub / Breakfast
Metrpolitan line, Baker Street to Watford, 40 Minutes , £4.00 contactless...
Thank you for everyone's replies.
Another question (sorry) on National Rail, the three stations which come up are Watford Junction & Watford High Street (overground) the other is Watford North?? Is that the one on the Metropolitan line?