Photographer: Aidan Crawley/Bloomberg Photographer: Aidan Crawley/Bloomberg For Sale: 236-Bed, Armageddon-Proof Bolthole. Windows Not Included During the 1980s, the U.K. government commissioned emergency Regional Government HQ (RGHQ) centers to be built at strategic locations around the country. Now the 46,383 sq ft (4,310 sq meter) RGHQ near Ballymena, County Antrim is up for sale for £575,000 ($830,000). Said to be Northern Ireland’s only nuclear bunker, it comes complete with blast doors, dormitories, conference rooms and an audio visual broadcasting facility. Photographs by Aidan Crawley for Bloomberg by Tom Hall @pixhallphotos More stories by Tom Hall February 5, 2016, 9:58 AM EST Safe Haven Completed in 1990 and part of the U.K. government’s civil nuclear defence plans, the facility is believed to be one of the most cutting-edge bunkers built in the U.K. 236 Beds The dormitory rooms can provide living accommodation for a total of up to 236 people. Pick Your Room The spacious bolthole is split over two floors, with the lower floor being completely underground. Don't Get Lost There are lots of corridors. Life Support The bunker is served by various life support systems including air filtration, power generators and water tanks. Are you Sitting Comfortably? The array of life support systems includes decontamination chambers (top right). Testing Testing Broadcasting equipment once used by the BBC sits on a desk inside the radio studio. More Tea? The building is fully equipped with most original fixtures and fittings still in place. Some may have dated a little. Blast Doors The bunker is protected by interlocking double blast doors. No Entry Padlocked gates secure the entrance. Low Profile Outside, the bunker does a half-decent job of camouflaging itself. The upper floor is covered by several feet of earth and grass. But a dark fence rather gives the game away.