By Road

From Heathrow Terminal 4

Follow the signs for the M25 then as above.

From Central London

Take the A41 and follow the signs to the M1. The M1 starts at the junction of the A5 and the A405 close to Brent Cross Shopping Centre and is well sign posted. Once on the M1 follow the directions as above.

From A1 north or southbound

Leave the A1 at the junction north of the Hatfield tunnel (signposted to Welwyn Garden City, Hatfield and A414 Hertford). Follow the signs to Welwyn Garden City and at the first junction go back under the A1 signposted to Wheathampstead B653 and Luton. Stay on the B653 for 6.2 miles to Lambda.

By Rail

There is a direct train service from Gatwick to Harpenden, the Gatwick railway station is part of the airport complex.There are frequent service from London Kings Cross Thames link Station and the journey time is 25 – 35 minutes depending on the stops made. There are 6 per hour at busy periods and 4 trains per hour for most of the day. Kings Cross is on the Northern, Victoria, Picadilly, Circle and Metropolitan lines of the London Underground.

Directions to Polytec Ltd. (Google Maps)