Leave the M4 at Junction 17 (signposted Chippenham and Cirencester).
Drive down the A350 until you reach the roundabout signposted Marshfield and Bristol.
Turn right at roundabout on to the A420.
Travel approximately 5 miles, ignore the first turning to Biddestone.
Drive past The Crown pub on your left and take the next left as if you were heading for The Crown.
Follow the road until you reach the sign for Biddestone.
Turn right in to Slaughterford Road and Owl Cottage is up the lane on your right.
Be wary about using Satnav as it tends to take visitors to a field!