Official records show only a few of 14 appointments since 1996 make a sustained contribution
Most of the former Conservative party treasurers elevated to the House of Lords in the last 25 years have made very few spoken contributions once there, Guardian analysis has found.
One former treasurer, Philip Harris, who like many of the recent incumbents is also a major Tory party donor, has made just one speech since entering the upper house in 1996, parliamentary records show.
