The Architectural Technology Awards Conversion of the Year category recognises outstanding innovation and technical excellence in architecture across the UK and internationally.
Overlooking Rocquaine Bay, Bunker Six Eighty One was built in 1942 for 12 German soldiers to man.
‘To see Bunker Six Eighty One recognised on an international stage shows just how far imagination and perseverance can take you,’ said Andre Rolfe-Bisson, founder of A7 Architecture, lead designers on the project.
He said there were many unique challenges posed by the bunker to the conversion process.
‘You don’t start a project like this thinking it’ll be easy,’ he said.
‘We were working with 2m-thick concrete walls, no windows, and 80 years of history – but that was the appeal.’
Local developer BDL worked with A7 Architecture, structural engineers, and energy consultants to bring the abandoned and largely overgrown bunker into the 21st century.
After five years and five months of diamond-saw cutting through reinforced concrete, the property is on the market as a three-bedroom family home flooded with light. Its asking price is £1.7m.
The house is believed to be the only fully converted WW2 personnel bunker in the British Isles.
The Guernsey project will be competing alongside two other conversions.
They include a Grade II listed building with a medieval sandstone cave network transformed into a bar in Nottingham, and a planetarium created from a disused Victorian underground reservoir in Sutton-in-Ashfield.
Winners will be announced at the AT Awards ceremony in London on 26 September.
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