Thanks fo ryour rpely and am sorry to hear of your plight.
However, please be rest assured that just because your Buy to Lets may get repossessed, this will not affect your own home in any way.
If a property is repossessed, you will I'm afraid get a negative against your credit score, but the individual Lenders can do no more than seek a possession order, sell the Flat, and if ther eis any negative equity, correspond with you as regards ***** ***** shortfall off over a period of years, at a monthly rate you can afford. They are NOT entitled to register any Charge against your own property.
Likewise, NRAM are not enetitled to take any action against you and seek possession of your home if you maintain the monthly mortgage payments.
The only way your own home could get affected is if you were to be made bankrupt at some point in th efuture. Although the individual Lenders on the Flats would not pursue any such course of action, if you do have other debts (not mortgage debts), then a creditor could apply to make you bankrupt.
However, as I note you are already in a debt management scheme, this is unlikely to happen, if you are paying any other creditors an agreed monthly amount, as it would not make their financial position any better by making you bankrupt.
I hope this sets out the legal position, but please let me know if you require any further clarification.