I think people are confusing two places, Giltbrook House which was dr towels home and went on to become a nursing home, that's stood back off the rd on the left before Baker Road is on the right.
As for Giltbrook Hall, that's the confusion, there is/was a post between bonser and permaquip BUT to confuse matters further, heading through Giltbrook, heading as if to hilltop, Newthorpe common is a turning on the left and and you turn in, there are 6ft plus posts with 'balls' on top. The buildings within there look 1980's but must've been something grand at one point, seems too far to be this pla