Members can claim for the cost of travel to the House, and members whose main residence is outside Greater London can claim for nights spent away from their only or main residence in order to attend the House of Lords. Office costs of £71.50 for every day attended plus a further40 days can also be reclaimed. Members must attend to claim any of the expenses.
There aren't many jobs which only pay expenses - with no opportunity to earn commission. Another "quaint" aspect of the British system?