There had been a railway station in Watford since 1837, but in 1895 the Watford Tradesmen's Association had approached the Met with a proposal for a line to Watford via Stanmore.
Selvom at der havde været en jernbanestation i Watford siden 1837, havde Watford Tradesmen's Association i 1895 foreslået Met en bane til Watford via Stanmore.