Filtration Room

Secret Nuclear Bunker
Kelvedon Hall Lane
Kelvedon Hatch
Brentwood
Essex CM14 5TL

If using GPS please use
CM15 0LA

Access only via A128

Tel: 01277 364883

March 1st to October 31st

Weekdays:
10.00am to 4pm
Weekends & Bank Holidays:
10.00am to 5pm

November 1st to end of February

Thursday to Sunday:
10.00am to 4pm
(Usually open during school holidays)

The last entry is usually 1 hour before closing time.

Adults: £8.50

Children (5-16 Years): £6.50

Family (up to 2 Adults + 2 Children): £20.00

Group prices min 15:
Adult £8.00 pp
Child £6.00 pp