Judith Leary-Joyce shares her experience of retrofitting a Victorian end-terrace house to reduce energy consumption, make it more healthy and comfortable, and leave a sustainable legacy for future gen

Kym Mead from Mead Consulting explains what Passivhaus certification is, how the process works and why there is a difference between certified Passivhaus buildings and those that just adopt a 'Passivh

Lloyd Alter explains the term upfront carbon, its relevance to us all as consumers, and why he felt compelled to write a book on the topic. Check out for more information.

Tilmann Kramolisch from natureplus explains why their eco label was established, how materials and products are assessed, and what it means to use a natureplus certified product on your project. Check

Speakers from the Passivhaus workshop event at the National Self Build and Renovation Centre in Swindon each share a top tip. Check out for more information.

Neighbours Wookey and Rob Leedham explain why they were motivated to retrofit their homes, how they built up knowledge and why engaging with others on a similar path has been extremely useful. Check o

Linda Farrow from Agile Homes explains how their prefabricated panelised system can deliver high quality and truly affordable homes that are good for the planet. Check out for more information.

Ben Adam-Smith explains what value engineering is and how it can help us to do more with less. He reflects on a short video about Slate House in Herefordshire that includes some great examples of valu

Meredith Bowles from Mole Architects shares his experience working with timber as a construction material and explains the benefits and drawbacks of the different build approaches. Check out for more

Alexx Stuart from Low Tox Life shares her experiences of toxic mould exposure and offers some advice on how best to keep your home healthy and mould free. Check out for more information.