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ICF but this would have required the input of another supplier. We ended up with a cut roof which we insulated at the rafters, the house is fully airtight and the test came back at 1.1 air changes per hour. I did the Passive House course halfway through the build and was able to incorporate some of that detailing in my drawings, especially around the windows.

Did you come across any planning or insurance issues?

Planning permission has very little to do with the method of construction, in our case we had to deal with things like meeting local needs criteria, ridge heights, the form of the house and location. In terms of insurance and the mortgage, we didn’t come across any problems in relation to building with ICF, we just ticked the box for a concrete house as opposed to a blockwork house. I’ve recently worked on two other ICF projects and neither of them have come across any hurdles of this type either.  AU T U M N 2 0 1 8 / S E L F B U I L D / 8 3

Selfbuild Autumn 2018  
Selfbuild Autumn 2018