Hilton in Watford or the Greyhound at Chalfont St.Peters. There's street parking at Stanmore if you are prepared to walk half a mile to the tube.
When I was 13 my dad took me down to Wembley to see the FA Cup semi final. That Odejayi miss has given me more nightmares than COVID and every horror movie I've ever watched combined. Just saying
Helen - please bring your son up properly by using the National Stadium’s correct name: Oakwell South.
Last time we parked on the street near Watford Central tube station (unrestricted free parking at the weekend) then went on the tube direct to Wembley Park. The time before for the cup my mate John went with me and he lives in Bristol so we went up the M4. We parked on the street in Uxbridge.
Just hope Gove is not in charge by then otherwise he'll have us in total lockdown like he tried with London and tier 3 this time, even though in 30 out of the 32 boroughs the rate is falling