- Take the M1 Motorway to Junction 12 at Toddington. - At the end of the slip road turn on to the A5120. - Go approx. 2 miles to a village called Westoning. - In Westoning at the mini roundabout there is a pub called 'The Bell'. - Turn right here signposted Greenfield. - Continue along that road for approx. 1 mile until you come to a farm on the left called 'Puzzles Farm'. - Turn left just past 'Puzzles Farm' signposted 'Flitwick' - Greenfield Road. - Half a mile along this road turn right into Maulden Road. - Colpac is half a mile along on the left hand side opposite 'Jewsons'.