About Me:

Joe Malone, the author of this building defect analysis site, runs a Chartered Building Consultancy and is a CIOB Chartered Builder, a Chartered building engineer, a degree qualified building surveyor, a visiting guest lecturer at Coventry University and a published technical writer.  Our business, Malone Associates Ltd,  has a strong specialism in building defect analysis and building pathology  and as part of  our academic commitment, we maintain this blog to help further some advancement in our understanding of why buildings fail. 








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  • I have a house built in the 1970s. A gable wall is a cavity wall. The brick work above the window has been laid in a soldier fashion and we understand that those bricks were set in concrete and that concrete structure is bridged from the outer wall to the inner wall. Water has ingressed to the inner wall and has passed through the concrete structure. Is the ‘concrete structure’ a building defect or simply a method used in the 70s?

    • Joe Malone

      I don’t fully understand the question based on your description Matthew… Is this a non-traditional property built from poured in-situ or precast concrete? How do you know moisture has progressed to the inner wall because its not unusual for severe cold surface condensation to occur in these solid walled concrete properties?

  • James Stutchbury

    Hi Joe

    Would you happen to know what % of defects are actually “built in” to projects at the design stage?

    I am frequently told that by the time a project/housing development reaches site, the designers have made a certain amount of post-PC issues unavoidable. Would you know if there is any truth in this?

    • Joe Malone

      James, that question is almost impossible to answer. Yes, defects are frequently ‘designed in’ in my opinion but clearly the percentage has to be variable across projects. I am still of the opinion that the majority of defects encountered stems primarily from poor build quality and substitution to poorer quality materials, as part of the ‘value engineering’ process.

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