It's a good-sized, two-bedroomed detached cottage near the top of rural Northumberland at Coanwood, about four miles from the village of Haltwhistle. (Incidentally if you like trains, or like to be amazed by the legacy passionate researchers are creating online, have a look at Disused Stations: Coanwood)
Quarry House has been empty for eons but along the way a mattress has been added to one room, and someone has clearly made good use of the chair, below, and fireplaces...
Downstairs are two reception rooms, a dining room and kitchen. Upstairs are two good-sized bedrooms and the bathroom.
Outside is a big slope of garden leading from the back and side of the house, plus a second large garden and parking area across the road. There are also a couple of stone sheds.
their website here, or here's the property link on Zoopla.
Update: Wreck reader Kevin emailed me to say: "I visit your site often and can understand why this property appeals: nice solid building on a quiet country lane, with land and outbuildings and great views. It looks even better on Google Maps in bright sunshine, though it also shows what the Zoopla photos don’t seem to have been able to capture: the large telecoms mast looming right over the property. That reduces the appeal somewhat in my mind, though to what extent I’m undecided."
Here's what he found: