Architectural journalist Kieran Long and architect Piers Taylor are following self-builders as they take on the biggest gamble of their lives. Yet all of them have less than £100k to spend, little or no experience and have their life savings on the line - it will not be easy. Twice-widowed, Sumati Bala thought she had found the perfect spot to spend the rest of her life: a beautifully located cottage in need of updating just outside Berwick upon Tweed. She moved in and planned to run her small cookery school there but the house of her dreams soon turns into a nightmare as serious problems emerged, from asbestos to rising damp. With the house condemned, Sumati is forced to knock down the troubled cottage and try to build a new one in its place. As the bulldozers move in, she witnesses the bulk of her life savings pulled to the ground and with just £50,000 left, she has to start from scratch.

With house prices out of the reach of many people and banks refusing to lend, buying a home in the UK is becoming an impossible dream. So a few brave but ordinary souls are trailblazing what could be the solution for all of us - trying to build their own house from scratch. Architectural journalist and critic Kieran Long and award-winning architect Piers Taylor are following self-builders as they take on the biggest gamble of their lives. Kieran and Piers will try to help them create the house they've longed for. But all have less than £100k to spend, little or no experience and life savings on the line - it won't be easy. Martin Whyment is desperate to get on the property ladder. A young man running his own pizza van business, he has saved enough money to buy a backland site in the centre of Leeds to build himself his first home. But when the bank refuses him a mortgage, Martin is left with only one option - to ask his retired parents to lend him their own hard-earned savings.