Filmed at Claridge's over six years, this series follows work to dig out a five-storey mega-basement, add four new floors and create London's most exclusive penthouse.
Broadcaster: BBC
Genre: Documentary
Miners tunnel under the hotel while manager Eugene tries to protect guests from the noise.
The team have adopted unusual measures to make way for the next stage of the build.
With the shell nearing completion, the hotel turns its attention to the interiors.
Episode 1
Episode 2
Episode 3