Series 6

Not many people would turn down the chance to make £150,000 profit, but that's what Marigold Charles and Joel Peters do with their flat in Islington, north London.

This week both sets of developers are in their 20s and neither are letting a lack of money or experience stop them having a go at developing. But super tight budgets combined with unseasoned instincts means that they're also taking huge risks.

This week both partners are taking a big gamble on a new career in property developing. They've given up high earning jobs to pursue what they think is a better life in property. But will they find it harder than they might have assumed?

The two developers in this episode are not only looking to make money, but also hoping to make a difference to the environment. But they’ve both chosen rather unlikely properties to make their statements...

The properties in this episode are very different, but they're both in stunning locations. Their developers could reap serious money from the trend of people moving out of cities in search of a more relaxed lifestyle, but with such unique properties come big risks…

18 months ago, Mike Horgan and Laura Archer took on a large house in Felixstowe on a tiny budget. It might have been hard work, but they weren’t put off developing. But while their new project is much smaller, it has its own big challenges...

Scientists Julie Thomas and Lee Jones had a tiny two-up two-down in Hitchin. With a low budget and a lot of naïve enthusiasm, they didn’t have the first clue about what they should do with the house to maximise its potential. In the Norfolk Broads, dress shop owner Heidi Sutton bought her parents’ 1930s bungalow. But running both a business and a site at the same time is hard to do, and Heidi's spur of the moment decisions tended to let her down.

Sarah Beeny catches up with Mark and Tammy Howard, and Dave Hearne and Nick Holmes, who were all convinced they could make the largest profits ever seen on Property Ladder out of tricky listed properties. Their developments proved to be anything but simple; but did that put them off developing for life? Not a bit of it.