AddressCrown Buildings, Kelvedon Hall Lane
CM15 0LA
Tags Alcohol License Disabled Access Late Licence Parking Available Conference centre Historic Building Museum Theme Park

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Not only a bunker but we also have a tree top high wire adventurs course and other activities for a corporate day out. We are currently the biggest and deepest cold war bunker open to the public in southeast England!

Come and witness the three lives of the bunker starting with its role as an RAF ROTOR Station, then a brief period as a civil defence centre through to its most recent life as a Regional Government HQ. Designed for up to 600 military and civilian personnel, possibly even the Prime Minister, their collective task being to organise the survival of the population in the awful aftermath of a nuclear war.

Opening Times:

Summer: March 1st to October 31st

Open Every Day!
Weekdays :
Open 10 am - Last entry 4 pm
Weekends & Bank Holidays :
Open 10 am - Last entry 5pm
Winter: November 1st to February 28/9th
Open Thursday to Sunday inclusive.
Open from 10 - Last entry 4 pm*
(* We are usually open during school holidays and half term.)


From the 1st March 2007
Adults £6.50
Children £4.50 (5-16 Years)
Family £16 (2 Adults + 2 Children)
Group Discount 15+ Adults £6 Child £4

We Do Not Take Credit Cards

By Road Access is from the A128 Chipping Ongar to Brentwood road at Kelvedon Hatch. If you have GPS then use CM15 0LA From the M11: Take the A414(Chelmsford) to Ongar then take the A128 to Brentwood. From the M25: Interchange with the A12, junction 28, take the A1023 to Brentwood then take the A128 to Ongar. Click on Map to Englarge By Public Transport Rail: There are services to Brentwood and Shenfield Mainline Train Stations, where you may either take a 7 mile taxi ride, or from Brentwood you can also catch the 501 Townlink bus. You can also email us at :

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