Hi David
We are 6 months in to a renovation of a part cob part stone/brick combo of older house and new barn extension. We listened to both locals and ex pat experiences. We are doing 90% of the work ourselves. What I will say is that what may be considered suitable in BG is not always what we understand it to mean. I would visit a similar home and check for yourself how successful the clay cavity blocks are for insulation. It is minus 15 as we speak. Will your builders be using insulation and how much? We have used EPS 10mm, breathable membrane and then rock wool under the plasterboard. We chose to recycle our existing roof tiles. We have been assured that the older clay tiles, in good condition are of a superior quality. We have yet to insulate and render the external shell of the building. We will use mesh netting, EPS polystyrene boards and specific holding screws. This will then be rendered, 2 coats. Our decisions were driven by cost effectiveness but overall never wanting to live in a cold house as we did in the UK. With the addition of double glazing we are satisfactorily heating half of an almost 280m2 house with 1 cast iron pechka (wood burner) no radiators or central heating. Insulation is king.

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