Leave M56 Motorway at J12, follow signs for Frodsham

Under a massive bridge to traffic lights - turn right over swing bridge
(signs Frodsham)

Straight on right through the town centre, slow down after you go under a
railway bridge

go past Netherton Hall hotel on your right, take the next left (signposted
Tarvin + other places)

they are about 3/4 mile up the road on the right (past a junction on your
right) - look for a white picket fence.