Leigh Osborne and Graham Voce intend to convert and extend a landmark 150-year-old, 100-foot-high water tower in the centre of London.

Episode Viewers and Ratings

Season 12 Episode 5 of Grand Designs resulted in a 0.00 rating in the 18-49 demographic.

Grand Designs Season 12 Episodes...

• s12e01 - Cloontykilla Castle
• s12e02 - Computer Cut House
• s12e03 - The Glass Cubes House
• s12e04 - River Thames House
• s12e05 - 100-Foot-High Water Tower, London
• s12e06 - Edwardian Artists Studio
• s12e07 - Isle of Skye: The Larch-Clad House
• s12e08 - North London House
• s12e09 - Isle of Wight Bungalow Revisited
• s12e10 - Central London Revisited
• s12e11 - Grade II Listed Timber Framed Barn, Essex Revisited
• s12e12 - The Hedgehogs Revisited

Grand Designs Show Summary

Grand Designs is a Channel 4 TV series covering unusual architectural house-building projects, presented by Kevin McCloud.

The properties featured in the series vary wildly from homes underground to converted water towers, with the only common factor being that they're all rather unusual or extravagant in some way.