Uploaded March 2026 | Updated September 2026, 3 weeks ago

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Halfway through a seven-year project, the team attempts the unprecedented feat of building a four-story Victorian roof extension 500 miles away in Northern Ireland.

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Claridge’s Hotel - icon of old school glamour and favourite of celebrities and royalty - is undergoing its biggest transformation of modern times. Filmed over six years, Claridge's: The Megabuild follows the incredible engineering challenges involved in digging out a five storey mega-basement, adding four new floors to the top of the hotel and creating what’s likely to be London’s most expensive penthouse.

This film was first broadcast: 2023

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