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Yes. There is no legal limit on how many mortgages one person can hold, and having two is common: a home and a rental, a home and a second home, or briefly two homes while you move. What matters to lenders is not the count but whether you can carry both.
When would you have two mortgages?
The version I arrange most often is the one where a couple move in together, keep the spare property, and let it out: one residential mortgage on the new home, one buy to let on the old one. Other common shapes: buying a second home you will use yourself, buying a rental while keeping your home, and let to buy, where both mortgages complete on the same day.
How lenders assess the second application
Your existing mortgage counts as a commitment, and the new lender tests whether you can afford both. The helpful quirk: if the second mortgage is a buy to let, it is assessed mainly on the rent rather than your income, so it often sits alongside your residential mortgage without strangling your own affordability. Two residential mortgages are the harder pair, because your income has to carry both in full.
Yes, you can have two mortgages, there is no legal limit on the number
The commonest pair I arrange: a home plus a buy to let, after moving in with a partner
Expect the 5% additional-property stamp duty surcharge on the second purchase
A buy to let second mortgage is assessed on the rent, which protects your own affordability
Four or more mortgaged rentals makes you a portfolio landlord in lenders’ eyes
The deposit and the stamp duty
The second property needs its own deposit, typically 25% for a buy to let and often more than a first home for a second home. And unless you are replacing your main residence, the purchase carries the additional-property stamp duty surcharge, currently 5% on top of every standard band. On a £250,000 purchase that surcharge alone is £12,500, so it belongs in the plan from day one, not as a completion-week discovery.
Can you have two residential mortgages?
Sometimes, with a genuine reason: working away with a base near the job, housing a family member, or a second home you will actually use. Lenders want the story to make sense, because two full residential commitments on one income is exactly the shape they are wary of.
The home-plus-rental pair, done properly
If the second mortgage exists because you are keeping a former home as a rental, the old mortgage needs dealing with too: consent to let or a full switch to a buy to let. And if the deposit for the new place is coming out of the old one, that is a remortgage with capital raising, covered in my guide to remortgaging to buy another property. Your home may be repossessed if you do not keep up repayments on your mortgage.
How many mortgages can you have?
As many as your circumstances support. Individual lenders cap their own exposure to one borrower, and once you hold four or more mortgaged rentals you become a portfolio landlord, with whole-portfolio underwriting. But the count itself breaks no rule.
Speak to an expert
Working out whether a second mortgage fits? Call me on 01425 203055 or email info@htgmortgages.com. I will run the numbers before you offer.
What trips people up
Three things, repeatedly. Forgetting the stamp duty surcharge until the solicitor mentions it. Early repayment charges on the existing mortgage when restructuring it as part of the plan. And insurance and consent: letting the old home without telling its lender and insurer breaches both contracts. All three are cheap to avoid with a week’s notice and expensive to fix without.
Line the pieces up before you commit
A second mortgage is rarely just one application; it is usually two or three moving parts that have to land in the right order. Tell me the shape you are planning and I will map the pieces. Book a call, phone 01425 203055, or WhatsApp 07731 675537.
Need Personal Mortgage Advice?
Every buyer’s situation is different. While this guide explains the general rules, the right mortgage for you depends on your income, deposit, credit history and future plans. If you’d like tailored advice, I’m here to help, with whole-of-market coverage.
