Bronwyn Barry from One Sky Homes explains the evolution of windows and why modern windows are really pieces of equipment. She also shares what's involved when it comes to choosing high performance windows for a project.

Jason Orme, editor of Homebuilding & Renovating, shares some of the key challenges that self-builders face and what can be done to make sure they don't become pitfalls. He also explains how custom build might be a good option to explore for those who want a bespoke home but without the same level of risk.