HL 22 January 1987. An appeal by the architects, Jamieson Green Associates (J) was dismissed in the HL from a CA decision that an action against them by plaintiff house owners (K) was time-barred. In 1975 K purchased homes from the first defendants who had built them in accordance with plans prepared by the third defendants J. Subsequently the houses showed signs of structural damage. (For the facts of the case see Abstract 33574). At issue in the HL were the following points; 1) when the plaintiff`s cause of action accrued and whether the houses were " doomed from the start ", 2) what the date of joinder of the architects as defendants was, 3) whether the joinder related to the date when the writ was originally issued against the builders, and 4) whether the architects should have been granted leave to amend their defence to plead their late joinder. It was held, affirming the CA decision, that the six year period in which to start proceedings in respect of a house built with latent