A useful map and directions to GTC and the Old Nick Theatre...

 
 
 
Gainsborough:
The Old Nick is situated on Spring Gardens, the road opposite Market Street, leading to the entrance to Marshall's Yard.  Continue straight on up the road over the mini roundabout, and the Old Nick Theatre is the large building on the left hand side situated immediately after the junction.
 
From Scunthorpe:
Follow the A156 straight into Gainsborough, past Richmond Park on your left, continue round a sharp bend and then past the Gainsborough Trinity football ground on your left.  Go straight over the roundabout and, at the next juntion and traffic lights, turn left.  Continue up the road over the mini roundabout and the Old Nick Theatre is the large building on the left hand side.
 
From Lincoln:
Follow the A156 (and signs to Marshall's Yard) straight into Gainsborough, until you come to a railway bridge.  At the roundabout immediately after, turn right on to Ashcroft Road.  At the end of the road, go straight over the large roundabout on to Trinity Street,  continuing straight on past the Trinity Centre and thenTesco on your right.  Continue on past Marshall's Yard (also on your right), then take a right turn at the next junction, continuing up the road over the mini roundabout.  The Old Nick Theatre is the large building on the left hand side.
 
From Bawtry or Retford:
Follow the A166 into Gainsborough over Trent Bridge.  Carry straight on to the large roundabout where you should turn left on to Trinity Street, continuing straight on past the Trinity Centre and thenTesco on your right.  Continue on past Marshall's Yard (also on your right), then take a right turn at the next junction, continuing up the road over the mini roundabout.  The Old Nick Theatre is the large building on the left hand side.