Looking at the map, coming from Wolverhampton towards Bridgnorth

look for the layby on the left hand side

just as you start the rise to the exit of Hilton.

There is a telephone kiosk at the top of the layby

next to the gates, The Old House is behind the blue gates next to this kiosk.

Latitude 52:33:16N Longitude 2:19:59W Easting 3775 Northing 2952 Landranger map 318/SO775952