Nina
Write to his IP and ask for copies of the IVA documents I have referred to earlier. If you don't know who is acting for him, this is easily searched on the on-line record of IVA clients held by the Department of Trade & Industry. This is found on the Insolvency Service website.
If your husband declares himself bankrupt, then his share of the equity in the property will vest (become owned by) the bankruptcy Trustee, and you will have one year to either buy out that interest or make alternative living accomodation.
Regards, Melanie Giles, Insolvency Practitioner for over 20 years.
For further details contact me at
http://www.melaniegiles.com and view my IVA blog at:
http://melaniegiles.blogs.iva.co.uk