Yes you can, so long as you receive the express permission of the IVA Supervisor.
Do you have an existing mortgage, and if so you will need to make sure that the new payments will not disturb your ability to carry on with your IVA contributions.
If you are thinking of taking out a new mortgage to buy a property, this can be more tricky as you will need to find at least a 15% deposit, which can obviously not be from your own resources.
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