Back in 1970 we bought our present house(an end terrace property built in 1911)after a complete renovation which included installing a window(5ftx3ft) into the gable end wall,we moved in.A few years ago a crack appeared under the window which has broken 2 bricks,the crack which is approx 3mm wide appears again at the top R/H corner of the window appatuer and continues, following the motar joints,diagonally to the edge of the gable wall.There is also a small crack in the plaster behind the radiator under the same window in the dinning room of our property.
Can anyone advise me on this problem?
Can anyone advise me on this problem?