Leave the M1 at junction 13 (signed Bedford & A421). Join the A421 towards Bedford. Remain on the A421 for 14 miles, take the slip road exit signposted Bedford A428 Gt Barford. At the roundabout at the end of the slip road take the first exit onto the A4280 St Neots Road. At the next roundabout take the third exit onto Norse Road. At the next roundabout take the first exit onto Hudson Road. Continue to the end and turn left onto Edison Road. We are situated on the left-hand side.