Mr Ackroyd leads a trade association, the Property Buyers' Association, and is pressing for regulation.

BBC: Repossession figures ignore many in trouble

The signatories further raise the pressing issue that the UK has not yet ratified the 1954 Hague Convention for the Protection of Cultural Property in the Event of Armed Conflict and its two Protocols of 1954 and 1999.

UNESCO: UK National Commission for UNESCO :: Destruction of Cultural Heritage should not be left out of Iraq Inquiry