Can I switch lenders if my mortgage is a collateral charge?

The short answer: yes, but it costs more

You can switch lenders with a collateral charge mortgage. What you generally cannot do is transfer the charge itself the cheap way a standard charge can be transferred. Instead the existing charge is discharged and a new one is registered, which means legal work and registration cost — and the borrower may be the one paying for it.

Anyone telling you a collateral charge locks you in permanently is wrong. Anyone telling you it makes no difference is also wrong. It is a cost and friction problem, and like most cost problems it is manageable once you know the size of it.

The structure matters because of where it is common: anything bundled with a home equity line of credit tends to be registered this way, and some of the large banks have registered residential mortgages as collateral charges as a matter of course for well over a decade. Many borrowers with one do not know they have one.

What a collateral charge actually is

Every mortgage is secured by a charge registered against your property's title. There are two common forms, and your lender is required to give you a disclosure document explaining which one you have.

A standard charge — also called a traditional charge — is registered for the actual amount of the mortgage loan and records the main credit terms on the registered document itself: principal, interest rate, term, payment. The lender's own disclosure language is that the mortgage loan and registered standard charge can be transferred or assigned to another lender at the end of the term, if that lender agrees. That is the mechanism that makes a conventional switch cheap.

A collateral charge works differently. The credit terms live in a separate loan agreement and are not shown on the registered document. The registered amount can be, and often is, higher than the loan — the required disclosure uses the example of a $450,000 charge registered against a $350,000 loan. The point of registering for more than you borrowed is that you can borrow again later without registering a new charge, which is genuinely convenient if that is what you intend to do.

You will see a figure quoted online for how high lenders register collateral charges — commonly 125% of the property value. I am not going to assert that as a general rule, because the lender disclosures I can point to describe the registered amount as a choice that can exceed the loan amount, up to and including the full value of the home, rather than a fixed multiple. Your own registered charge has a specific number on it. That number, not an internet average, is what matters.

The part that catches people: other debts behind the same charge

This is the real trap, and it has nothing to do with rates. A collateral charge can secure more than your mortgage. If a home equity line of credit, an overdraft, a car loan or a credit card with the same institution sits behind that same registration, the required disclosure is explicit that those debts must be dealt with before the charge can be transferred to a new lender or removed from title.

The lender disclosure also notes that your current lender may require repayment of other debts secured by the charge — and gives a car loan as the example. So a borrower who thinks they are moving a $500,000 mortgage can discover they are also being asked to clear a $30,000 line of credit and a car balance in order to free the title.

That is not a penalty and it is not punitive. It is the arithmetic of a security instrument that was deliberately written broadly. But it is the number that turns a straightforward switch into a different conversation, and it is the first thing I ask about when a client tells me their mortgage is at a lender that registers collaterally.

If clearing those debts is the obstacle, the transaction you need may not be a switch at all — it may be a refinance that consolidates everything into one new mortgage. That is a more expensive and more strictly underwritten transaction; our switch versus refinance guide sets out the difference, and the debt consolidation page covers when it is and is not the right tool.

Should you avoid a collateral charge in the first place?

Not automatically. If you genuinely intend to draw on your home equity over time — an investor building a portfolio, a business owner who uses a secured line as working capital, a homeowner planning staged renovations — then registering once for a larger amount and drawing down as needed saves you repeated legal and registration costs. That is a real benefit, and the structure was designed around it. The home equity and HELOC page covers that side of it.

If you have no such plans and you expect to shop your mortgage at every renewal, the structure gives you nothing and costs you optionality. You are paying in future friction for a flexibility you will never use.

The honest version a bank will not offer you: the convenience of borrowing again without new registration is also the mechanism that makes it more awkward to leave. Those are the same feature viewed from two sides. Whether that feature is worth having depends entirely on which of those two things you are more likely to do, and that is a question about your life rather than about mortgages. It is worth asking at origination, when you have a choice, rather than at renewal, when you do not.

Last reviewed October 2026. The descriptions of standard and collateral charges, transferability, discharge responsibility and other secured debts above are drawn from the mortgage security disclosure documents federally regulated lenders are required to provide to borrowers, and are current as at this review. Individual lender policy on accepting transfers, registered amounts and switch cost coverage varies, is not consistently published, and changes — verify it on your own file before relying on it.