Any news on this - I'm inclined to just use contactless for the entire tube leg - as the journey from Victoria/Baker Street to Watford comes up at £4 each way on their website.
Apologies if I'm just being dim here (highly likely)
For everyone posting these train routes - I can't seem to find a route that doesn't require getting on a replacement bus service. On National Rail - anything from Brighton to Watford always involves spending 40 mins on replacement bus for the...