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Buy-to-Let Mortgages Explained

When you buy a property as an investment instead of a home, your mortgage will be slightly different. You’ll need a specialist buy-to-let mortgage. These mortgages are really common, but the rules around them are tighter than if you were buying a home to live in. We don't offer buy-to-let mortgages at Haysto, but this guide contains plenty of essential information.

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Buy-to-Let Mortgages Explained

Author: Michael Whitehead Head of Content

4 mins

Updated: Oct 28 2024

Buy-to-Let Mortgage

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How are buy-to-let mortgages different from regular mortgages?

A buy-to-let mortgage is a specific type of mortgage for when you buy property as an investment – somewhere you’re going to rent out to tenants instead of somewhere to live for yourself. If you plan to rent out a property, you’ll need to use a buy-to-let mortgage rather than a residential mortgage.

There are a few differences between buy-to-let mortgages and other home loans, such as:

  • Buy-to-let mortgages tend to have higher fees and interest rates than residential mortgages.

  • Most buy-to-let mortgages are interest-only. This means you pay the interest every month but not the actual loan amount. The original capital is then repaid using a repayment vehicle, agreed with the lender at the outset.

  • The minimum deposit for a buy-to-let mortgage is often higher than a residential mortgage. The minimum deposit for buy-to-let mortgages tends to be at least 20% of the property’s value.

  • Most buy-to-let mortgages are not regulated by the Financial Conduct Authority (FCA) unless the tenants are close family members, which would then be considered a ‘consumer buy-to-let’ mortgage and would then fall under the FCA’s umbrella.

Buy-to-let mortgage criteria

Affordability assessments for buy-to-let mortgages are based on what rent you’ll receive rather than how much your annual salary is. Usually, mortgage lenders would expect the rental payments to be the equivalent of between 125% to 145% of the mortgage repayments.

Can I get a buy-to-let mortgage on a Right to Buy property?

Right to Buy is a government scheme that helps council tenants in England buy their council homes at a discount. Most mortgage lenders use this discount in place of a deposit, meaning you don’t have to put down a big cash sum upfront.

You won’t be able to rent out your Right to Buy home until five years after you’ve bought it. It’s a condition of using this scheme. If you sell your home or rent it out before this time, you’ll have to pay back the discount you received in full. 

What deposit do I need for a buy-to-let mortgage?

You’ll generally need a bigger deposit for a buy-to-let mortgage than you would with a standard residential mortgage. About 20-25% of the property’s value is standard.

As you would with a residential mortgage, the bigger your deposit, the better your interest rate will be. Along with this, mortgage lenders will assess your application by checking if you have any other rental properties and how consistent you’ve been with your repayments. 

What are the different types of buy-to-let mortgages? 

There are three categories of buy-to-let mortgages:

Unregulated Buy-to-let

Also known as Investment Property Loans, this is the most popular type of Buy to Let mortgage. They’re made for properties bought specifically for renting out and are not regulated by the Financial Conduct Authority.

Regulated Buy-to-let

Also known as Family Buy-to-Let, this mortgage type is specifically for properties that are rented to a family member or where up to 40% of the property is occupied by the owner, who rents out the remaining share.

Consumer Buy-to-let

Also known as an Accidental Landlord Buy-to-Let, this type of mortgage is made for people who inherit property or who buy a new home while keeping the old house to rent out.

Can I remortgage a buy-to-let property?

Yes, it’s possible. Remortgaging is when you replace your existing mortgage with a new one. If you’re planning to rent out your old home, you’ll have to remortgage to a buy-to-let arrangement. You usually can’t rent out a property if it’s on a standard residential mortgage.

It’s really important to tell your mortgage lender if you’re planning to rent out your home. Buy-to-let mortgages are a bigger risk for lenders, so you risk invalidating your mortgage if you don’t let them know. Some lenders might give you what’s called a ‘consent to let’ on your current mortgage deal, meaning you won’t have to remortgage. Others might insist that you take out a new mortgage. 

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The guidance and/or information contained within this website is subject to the UK regulatory regime and is therefore targeted at consumers based in the UK.

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