From the M74

Come off at Junction 20 of the M74 onto B722 Eaglesfield. Half way through Eaglesfield turn left at post office for Waterbeck.

At Waterbeck turn left to Ecclefechan ( B725 )
Go 30 Metres then turn right at sign for Torbeckhill
House is 1.1 miles on the right.

Location can be found on multimap with this link.