Grand Designs: Trade Secrets - Season 2

Naomi Cleaver, Tom Dykhoff, Kevin McCloud and Deborah Saunt explore the underground world of earth shelters and explain why you can't afford to stay in the dark when it comes to lighting.

Naomi Cleaver, Tom Dykhoff, Kevin McCloud and Deborah Saunt tackle the tricky business of how to build on difficult plots.

Minimalism laid bare as Naomi Cleaver, Tom Dykhoff, Kevin McCloud and Deborah Saunt give the low down on how to get the look right.

Naomi Cleaver, Tom Dyckhoff, Kevin McCloud and Deborah Saunt demonstrate how to go gothic, without going Addams Family.

Naomi Cleaver, Tom Dyckhoff, Kevin McCloud and Deborah Saunt tackle the tricky business of building a contemporary house in the countryside.

Naomi Cleaver, Tom Dyckhoff, Kevin McCloud and Deborah Saunt put the fab back into prefab and show why choosing a kit house makes perfect sense.

All you need to know about buying and building in Italy, as Naomi Cleaver discovers the right way to restore old farmhouses and Kevin McCloud shows how to navigate Italian bureaucracy.

Naomi lights your fire with some cutting-edge fireplaces and Kevin explains why you should always use an architect.

Naomi Cleaver, Tom Dyckhoff, Kevin McCloud and Deborah Saunt cross the Atlantic to look at why our American cousins are pumping more and more cash into prefabrication.

Naomi Cleaver, Tom Dyckhoff, Kevin McCloud and Deborah Saunt look at new barn builds. Kevin shows how to handle an historic building, and Tom has tips on the best materials to use.

How to make your Grand Design a sustainable success. Deborah Saunt investigates green materials, while Tom Dyckhoff explores the UK's first carbon neutral house.

Naomi Cleaver has some great advice on how to transform your bathroom into a mini spa and Tom Dyckhoff brings you the house of the future today.