PrimeWire

You can now watch the entire Extraordinary Extensions Season 1 Episode 2 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

Tinie meets a couple who are building an enormous subterranean extension on their Grade II listed gate lodge, and visits an £11 million mega-basement in Knightsbridge.