With mortgage approvals thin on the ground, Dermot Bannon’s architectural designs and challenges have never been more difficult yet exciting, giving plenty of reasons to extend this successful series to an hour long.

Three or four years ago getting your hands on an extra €20,000 wasn’t a huge ordeal, it is now, the budget is as much a part of the brief as the living room, kitchen and utility room.

From creating extensions to defusing tensions, Dermot needs to precede his reputation and deliver on budget.

With six very different projects, budgets, requirements and personalities will Dermot’s new set of criteria allow for any room to improve these homes?