At the tender age of 24, Chris Cieslak is designing his Brighton development to suit a family with two children under the age of seven.
Sarah meets developers who wanted to turn an old TV shop into a family home; halfway through the renovation the cash ran out, so now they need to sell it.
A couple wants to double the size of their home.
Developers decide to dig out their basements.
After 20 years apart, twins Mark and Mitch Parsons have returned home to Staffordshire to convert their mother's barn.