From Buxton: 
Take the A515 south signposted Ashbourne.  After 4 miles turn right onto the B5053 signposted Longnor.  Follow the road into the village and turn left opposite the school into Church Street.  Park anywhere along this road.  Queen Street is first on the right after the Church and Jack's Cottage is the third door on the left.
From Derby: 
Take the A52 to Ashbourne and then the A515 North through the town centre signposted Buxton.  After approximately 11 miles turn left onto an unnamed road signposted Hurdlow, Crowdecote and Longnor.  Follow the road to the Market Square in the village centre.  Turn right at the crossroads and then opposite the School turn right into Church Street.  Park anywhere along this road.  Queen Street is first on the right after the Church and Jack's Cottage is the third door on the left.