How we insulated under our floors

Regular readers will know about my plan to get our house to an A rating by 2020, and net zero by 2025. I missed the 2020 deadline due to the government mis-handling the Green Homes Grant, but this week the underfloor insulation went in. I won’t be commissioning a new Energy Performance Certificate to confirm it, but it’s now pretty comprehensively in the A zone.

Homes lose heat in all directions. We’d already insulated the loft, a double layer with insulation rolls and then foil. We’ve g...