The general spirit of IVAs, and the way that professionals supervise them on behalf of creditors, means that any improvements in your financial situation - for instance from a reduction in property rental - be passed on to the creditors.
It would take you over 10 years to repay your creditors under a DMP - and that assumes that you pay no fees and that interest is formally frozen. The IVA seems a far better option for you, and I would say it appears to be acceptable providing you do not owe more than 25% to HSBC who have a higher acceptance hurdle rate of 40p in the £.
Regards, Melanie Giles, Insolvency Practitioner for over 20 years.
To have me propose an IVA for you, please visit:
http://www.melaniegiles.com/ivaEnquiry.asp
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http://www.iva.com/iva_companies/IVA_Advice_Bureau.asp