Contact Us

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39D provides a comprehensive range of lightning-fast, managed IT support services and intelligent technology solutions to businesses throughout Essex, Hertfordshire and Cambridgeshire. 39D loves to communicate with people.


Here are some the ways to get in touch with us.


Contact Us

By Phone

Telephone: 01279 800 039
Time Availability: 9 am – 5:30 pm Monday to Friday.

By Email

We can be emailed on [email protected]

By Post

Runway House
North Weald Bassett
CM16 6HR


Come and meet Us


By Car

When arriving by car you need to come on to the airfield. You will need to use the gates by the control tower. Once on the airfield please turn and follow the road up. Our building is located in front of AMG.

By Air

North Weald Airfield’s co-ordinates are: N51°43.3 E000°09.3
The North Weald Radio air/ground frequency is 123.53
Operating hours: 09:00 to 19:00 hrs. local (or sunset, whichever is the earliest).

Our location


Our Head Office, Runway House, is situated on North Weald Airfield, a fully operational aviation aerodrome that was one the most important fighting stations during the Battle of Britain.

The airfield is now home to the North Weald Airfield Museum and the Herts and Essex Air Ambulance service, in addition to a wide-range of small businesses.  The airfield also hosts a growing number of events including one of the UKs largest Saturday Markets, Classic Car events and of course, classic Air Shows.

We actively encourage all of our clients to come and visit Runway House at the airfield and take in the fascinating surroundings. While you’re here, why not enjoy something nice to eat and drink at one of the local cafes located on the airfield? The Wings Café and the nostalgic Squadron ‘NAAFI’ Mess bar are two of the area’s most popular places to eat.


Runway House
North Weald Bassett
CM16 6HR

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