A secure underground bunker, located in the village of Hallen, South Gloucestershire, has come onto the property market and is expected to sell for £20,000.
The unique property is a Royal Observer Corps bunker which is extremely hard to find - in fact there are thought to be only around 1,500 left in the UK.
The self-contained underground space has an underground room that is 'perfect as a private wine cellar, safe room, or secure utility area', retaining original ROC furniture and features and is listed on Zoopla with property agents David Plaister.
The listing highlights the bunker's prime location on the hillsides of Hallen, offering stunning views of the River Severn's mouth. What’s more - it’s only a 40-minute drive from Bristol City Centre - if the quiet gets too much. And, once renovated, it could be a way to make money.
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It's described as the perfect opportunity for someone who loves historical artefacts and appreciates unique investment opportunities.
Images reveal the hidden entrance nestled amongst shrubbery, while inside, white walls enclose a desk with two chairs, standing shelves for storage, a bed frame, and two cupboards. A separate room appears to house a toilet.
Estate agents note: "Originally constructed during the Cold War era, the bunker retains authentic ROC furniture and fittings, preserving its historical integrity. The internal layout comprises a small access shaft leading to underground rooms designed for operational use.
"Access is typically via a locked hatch entrance and ladder descent, consistent with original roc specifications.This is a highly unique listing, as only around 1,500 such ROC posts were built across the UK, with many now decommissioned or lost.
"It presents a unique investment opportunity for buyers with an interest in military history, secure storage, or rare architectural assets. No residential planning permission is in place."

You can usually get planning permission for an old bunker to convert it for new use such as holiday accommodation. However, this is not guaranteed as it depends on the bunker's existing status, location, and the specific proposals. You'll need to check if the bunker is a protected heritage asset or in a sensitive location and speak to the local planning authority.
Several Royal Observer Corps (ROC) bunkers across the UK have been transformed into unique homes and holiday accommodation, with owners renovating the underground Cold War structures into modern living spaces while preserving their historical character.
Jon Graves renovated a ROC bunker in Pontefract, West Yorkshire, according to the Manchester Evening News. A multi-business owner, Jon has long harboured a fascination with the network of 1,500 observation bunkers across the nation. When one came up for sale near his home, the military enthusiast didn't hesitate to snap it up.
"We furnished it and put back in what was already there. So we didn’t put brand new modern beds in, we put old metal beds back in. It was always about trying to tastefully restore it to a condition that you could stay and sleep in without the noise from outside."
The bunker will be auctioned on Thursday, November 20 - both at Leigh Court, Pill Road in Abbotts Leigh, and online at 7pm.
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