The Daily Mirror, who monitored Lord Hanningfield's movements on 19 days in July, alleged that his shortest attendance in the House of Lords was 21 minutes and the longest more than five hours.
In one video, posted on the Daily Mirror's website, the peer is seen apparently entering Parliament via the Westminster tube entrance at 2.37pm and departing again at 3.01pm.
There is no suggestion he broke any rules.
More top news
Sunshine in short supply