• I've considered it but how do you solve the issue of the roof not overhanging the gable end wall enough already, let alone once you add further insulation.

    We'd need to remove all render (cement), add insulation, render with lime, amend roof, sort gutters etc which is why internal is appealing as we're gutting everything anyway

  • This is our situation too, we would need to remove render, relocate drain pipes, insulate, re-render and deal shallow roof overhangs which would be non-existent after adding external insulation…

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