Buy-to-let mortgage

Definition

A buy-to-let mortgage is a financial product designed for individuals or investors who wish to purchase residential property for the specific purpose of renting it out to tenants.

What is a buy-to-let mortgage?

Unlike a standard residential mortgage, a buy-to-let mortgage is tailored to the unique characteristics of rental property investment.

The primary purpose of a buy-to-let mortgage is to finance a property with the intention of generating rental income. Borrowers typically seek to build a property portfolio or earn a return on their investment.

Lenders evaluate buy-to-let mortgage applications based on the potential rental income of the property, the borrower’s financial situation, and their ability to manage the investment. The borrower’s personal income may be considered, but the emphasis is often on the property’s income-generating potential.

Buy-to-let mortgages often require a higher deposit or down payment compared to residential mortgages. The loan amount is typically expressed as a percentage of the property’s value.

Interest rates on buy-to-let mortgages can vary, and they may be higher than those for residential mortgages. The rates may be fixed or variable, and the choice depends on the borrower’s preference and risk tolerance.

Like any investment, buy-to-let carries risks, including varies in property values, economic conditions, and changes in rental demand. Investors should carefully consider these factors and conduct due diligence before entering the buy-to-let market.

Example of buy-to-let mortgage

Sarah, an investor interested in real estate. She identifies a residential property in a popular neighbourhood with high rental demand.

  1. Property purchase:
    • Sarah decides to purchase the property as an investment to generate rental income. The property’s purchase price is £200,000.
  2. Buy-to-let mortgage application:
    • Instead of a traditional residential mortgage, Sarah applies for a buy-to-let mortgage from a financial institution. The lender assesses her eligibility based on her financial situation and the potential rental income.
  3. Loan Approval:
    • The lender approves Sarah’s buy-to-let mortgage. They agree on a loan amount of £150,000 at an interest rate of 5%, with a loan term of 25 years.
  4. Rental income:
    • Sarah finds tenants for the property, and they agree to a monthly rent of £1,000. The rental income helps cover the mortgage repayments.
  5. Mortgage repayments:
    • Sarah makes monthly mortgage repayments to the lender, including both principal and interest. The monthly repayment amount is determined by the terms of the buy-to-let mortgage.
Ready to grow your business?

Clever finance tips and the latest news

Delivered to your inbox monthly

Join the 110,000+ businesses just like yours getting the Swoop newsletter.

Free. No spam. Opt out whenever you like.

We work with world class partners to help us support businesses with finance

Swoop Finance Limited helps UK firms access business finance by working directly with businesses and their trusted advisors. We act as a credit broker, not a lender, and do not provide loans or finance products ourselves. We introduce applicants to a panel of lenders, equity funds, and grant agencies based on individual circumstances and creditworthiness.
Commission Disclosure: We typically receive a commission from the finance provider (either a fixed fee or a fixed percentage of the amount you receive) upon successful placement. Different providers pay different rates. For certain lenders, we may have influence over the interest rate, which can impact the total amount payable under your agreement.
Regulatory Information:

  • FCA: Authorised and regulated by the Financial Conduct Authority as a credit broker (FRN: 936513) and registered as an Account Information Services Provider (Ref: 833145).

  • ICO: Registered with the Information Commissioner’s Office (Ref: ZA600162); registration can be verified at ico.org.uk.

  • Company Details: Registered in England & Wales with Companies House (No. 11163382). Registered Address: The Stable Yard, Vicarage Road, Stony Stratford, Milton Keynes, MK11 1BN. VAT Number: 300080279.

Terms: All finance and quotes are subject to status, income, and terms and conditions. Applicants must be aged 18 or over. Guarantees and indemnities may be required. Please refer to our terms and conditions and our complaints procedure for further details.

© Swoop 2026

Looks like you're in . Go to our site to find relevant products for your country. Go to Swoop