Everyone's favourite architectural show Grand Designs is back on Channel 4 with host Kevin McCloud meeting the ambitious individuals building their dream homes. 

The 23 previous seasons have seen everything from giant curved glass homes to mansions built out of clay and former water towers.

Now, more keen builders are ready to take on the task not for the faint-hearted as Kevin travels around the UK to see the new builds in Grand Designs.

Recent builds on the series of the Grand Designs have seen a home made entirely of wood, a bold red build on a tiny plot and a modern delight set on a former reservoir site in Wye Valley.

This week's edition of the Channel 4 program will see Kevin visit Cotswold-based couple Duncan and Liz as they create a revolutionary eco home.

New Grand Designs sees revolutionary eco-home creation

Environmental consultant Duncan and his partner, solicitor Liz who was part of Princess Diana's legal team during her divorce, are hoping to create a bold eco home.

The brave couple wants their dream home to use very little energy whilst also producing four times the energy it needs, making it stand apart from all other eco homes previously seen in Grand Designs.

Duncan manages the project himself and despite having no previous experience he shares he is committed and wants to create the perfect home for the pair.

However, as Liz lives in their London home whilst the home is being built, will their tough schedule of the 18-month build get the pair or will it be smooth sailing?

Watch Grand Designs on Channel 4 and All 4 from 9pm on Wednesdays.