ePrivacy and GPDR Cookie Consent by Cookie Consent What is let-to-buy? | Resi Finance

What is let-to-buy?

5 min read
Oct '25 • by Amy Bulger

Quick summary

Let-to-buy involves letting out your current home and buying a new one to live in, which requires converting your mortgage to a buy-to-let mortgage or getting consent to let. Most lenders offer up to 75-80% loan-to-value, requiring at least a 20-25% deposit, with rental income often needing to cover 125-145% of interest payments.

Do you want to buy a new home without selling your current home first? Then let-to-buy might be the answer for you. Here’s everything you need to know.

How does let-to-buy work?

With let-to-buy, you let out your current home and purchase a new property to live in. It means having two mortgages: you’ll convert the mortgage on your current home into a buy-to-let mortgage. And you’ll take out a standard residential mortgage on the new property you’re buying.

There are lots of factors to think about. You’ll become a landlord, so you’ll need to consider the costs and responsibilities of that. You’ll also need to have a decent chunk of equity in your current home in order to secure a buy-to-let mortgage on your existing home, especially if you need to release equity from it in order to buy your new home.

However, the rewards can be huge. Not only does it mean you can buy a new property without needing to sell your old home first, but you could also potentially see significant financial benefits in the long-term by owning two properties, assuming you can generate enough rental income and that property prices rise.

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