A selection of websites, for you to explore the facts further...
The Telegraph
"The Telegraph's investigation, The Expenses Files, into how politicians [...] exploit the system of parliamentary allowances to subsidise their lifestyles and multiple homes."
The Guardian
Articles and video, plus online tools to investigate your own MP's expenses claims.
UK Parliament website
"This page sets out details of expenditure on Members' Allowances for Members of the House of Commons, the House of Lords, Law Lords' expenses, and financial assistance to opposition parties in the House of Lords."
Theyworkforyou.com
Provides a list of current MPs with details of how much money your MP has claimed in allowances over the past three years.
Commonwealth Parliamentary Association
Represents the parliaments of Commonwealth countries.