Spotting a crack in your wall can be quite a scary experience. Don’t panic, but do investigate. Only a small proportion of cracks are symptomatic of a more serious underlying structural problem, however it is important...
The British Standard for wall ties – BS1243 was introduced in 1945 and was a ‘prescriptive’ standard – ie all ties had to conform to the approved design of the time, and the ‘butterfly’, ‘double triangle’...