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I thought there was usually an airgap between the internal stud wall and the brickwork.
But yeah as with all these things shiesters gonna fit shite.
From reading around breathable external insulation seems much more desirable, even if it does cover up your lovely Victorian brickwork - or shitty pebbledash. Fucked if I can trust anyone to do it right though.
Howard
Are people just insulating inside solid brick houses directly on to the walls?
An architect friend reckons lots of people are and that without first creating a ventilated cavity they are going to cause mega problems in ~10 years. Brick is porous if not permeable, depending on orientation and sun exposure it usually only dries fully once every four years or so, significantly aided by the heat from inside the house. Once insulated that internal heat won’t help the drying process much and eventually the brick will be damp right through, but you won’t know because it’s covered internally by insulation. The damp will just slowly fester behind the insulation getting worse and worse until eventually signs will appear internally but by that time the wall behind will be a gopping bio hazard and will require significant repair.