Florence Collier, founder of Humblebee, takes us step-by-step through the deep retrofit of her 1970s home. She explains the costs relating to each measure and the cumulative total as the project advances.

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Toby Diggens explains what it takes to meet the requirements of the Living Building Challenge, and working to the standard when renovating an existing building.

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Toby Diggens, founder and co-director of Digg and Co outlines how we can all contribute to creating ecologically diverse and resilient landscapes to combat climate change and biodiversity loss.

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Furniture maker Lucinda Leech shares her story of building a modest, but beautiful eco home.

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Howard Johns, founder of One Zero, outlines their home energy transformation service which includes topping up insulation and adding solar PV, battery storage and a heat pump.

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Cypren Edmonds, a housing activist and advocate for bio-based building materials, describes the challenges he has faced living in social housing in London, and the health benefits and energy efficiency that can be achieved through building with straw.

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Kareem Dayes, co-founder of RUSS in Lewisham, explains why setting up a Community Land Trust was a route to deliver genuinely affordable housing and create a better neighbourhood.

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Greg Byrne from RB Asbestos Consultants explains what asbestos is, why it was used so widely in construction, its potential impact on health, and how you go about identifying and removing asbestos products.

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Clare and Ross Booth from Coldwells Build share details of their prefabricated, turnkey Passivhaus designs that aim to simplify the delivery of high performance homes in Scotland.

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Paul Testa from HEM Architects explains the difference between renovation and retrofit, using his own home as an example of a deep retrofit.

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Richard Hollas from 21 Degrees explains why regular MVHR maintenance and servicing is essential, what it entails, and we accompany him step-by-step as he services a unit.

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