Our BTL calculator
Instant, easy, and comprehensive!
Enhance your client’s borrowing potential with tailored accuracy and seamless decision-making with our intuitive, product-specific tool.
Want a deeper understanding?
Watch our short tutorial with Alex Witham. Alex will walk you through how to access and use the calculator, highlighting its key features.

At a glance
- Product specific calculations
Our unique calculator allows you to instantly calculate the maximum loan size, ICR and minimum rental income needed for each product.
- Supports multiple property types
Our buy-to-tet calculator supports multiple property types, including standard properties, HMOs, and MUFBs.
- For individuals, SPV's and LLP's
By incorporating these diverse client structures, this tool is designed to support you in managing a wide array of client scenarios, enhancing your service offerings and facilitating more informed decision-making.
- Instant and easy to use
This tool’s intuitive interface and swift processing help streamline the mortgage application process, making it a valuable resource for handling complex mortgage scenarios, enabling you to provide tailored and precise advice efficiently.

Using the BTL calculator
- Step 1: Access the calculator
- Go to our home page.
- Select ‘Intermediaries’ and click on ‘Products’> ‘BTL Calculator.’
- Use filtering options to narrow down products by type.
- Step 2: Run the affordability calculator
- Run the calculator on individual products or compare up to 6 products by selecting them and clicking the purple button.
- Answer the questions and click ‘Calculate Affordability’ to view maximum borrowing.
- Note: Landbay accepts market rental and personal income (excluding gross rental/future income) for personally owned properties.
- Step 3: Save and share the results
- View the maximum loan based on rental income or switch to the minimum rental income required for a desired loan.
- Start a DIP or click ‘Print’ to save results.
- View up to 4 products side by side and download the comparison.
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Want to find out more?
Choose Landbay today and you’ll find experts at the end of the line, smart technology designed for you, and fast decisions you can count on.
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