Hi there Popper
I think you have a number of things to consider. Haden is right, in theory you can add this CCJ to your DMP. However if the creditor is hostile then they may reject the offer of monthly payment. They could then go back to court to get an attachment of earnings or even try to secure their debt against your house with a charging order. In addition, if you end up owing £56k, then at £300 a month it is going to take you 15 years minimum to repay your debt using a DMP. As such I think it is well worth considering an IVA.
An IVA would overturn the CCJ and protect you from further actions that this creditor might take so in fact your house would be better protected. You would have to commit to releasing home equity if possible. However this may not be possible in which case your IVA would simply be extended for a year (to 6 years). Utlimately you would almost certianly pay less and be debt free faster using an IVA.
For more information about this solution have a look at the following information: https://www.beatmydebt.com/iva/index.htm
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