Mortgage calculator

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Discover the joy of homeownership with Avant Homes' free, user-friendly online mortgage calculator!

Whether you're a first-time buyer or a seasoned homeowner, our tool is perfect for exploring your monthly mortgage repayments. It's designed to help you navigate the exciting journey of buying a new home while providing insights into what you can realistically afford.

Just input your details using the sliders or type them directly into the boxes — whichever suits your style. The calculator will then reveal an estimated monthly repayment amount for a potential mortgage. Let's make your homeownership dreams a reality!

If you're eager to learn more about the latest mortgage products, we’re proud to work with a carefully selected panel of mortgage advisors that work separately from any bank or lender. These firms are available to provide free independent financial advice and will help you find a mortgage product that suits your circumstances. Speak to James Leighton Financial Services or Safeguard today.

Our panel professionals are entirely independent – Avant Homes receives no incentive for recommending them.

There is no obligation to select from our panel, but you are advised to seek financial and legal guidance when buying a new home.

Mortgage calculator

House value




Mortgage term



Interest rate



Your estimated monthly payment...


Your home is at risk if you do not keep up repayments on your mortgage. Avant Homes does not offer mortgages and cannot offer legal or financial advice. This information is only a guide, and more information would be required as part of a mortgage application. You are advised to seek legal guidance when buying a new home.

FAQs about mortgages

1. What is a mortgage?

A mortgage is a loan specifically used to purchase property. The borrower repays the loan amount plus interest over an agreed period, and the property serves as collateral.

2. How does a mortgage work?

A mortgage involves borrowing a sum to buy a property. The loan is repaid in instalments over a specified term, usually 25 to 35 years. If you fail to make payments, the lender can repossess the property.

3. What is a deposit and how much do I need to put down?

A deposit is the upfront amount paid by the homebuyer. In the UK, typical deposits range from 5% to 20% of the property's value. The amount depends on factors like your credit history, income, and the lender's policies.

4. What types of mortgages are available in the UK?

Common types of mortgages in the UK include fixed-rate mortgages, where the interest rate remains constant, and variable-rate mortgages, where the rate can change. Tracker mortgages are linked to the Bank of England base rate, while offset mortgages allow you to offset savings against the mortgage balance.

5. What is a mortgage agreement in principle (AIP)?

An Agreement in Principle (AIP) is a statement from a lender indicating how much you may be able to borrow. It gives you an idea of your budget when house hunting and shows sellers you are a serious buyer.

6. Can I overpay on my mortgage?

Many mortgages allow overpayments, either as lump sums or regular payments. Overpaying can help reduce the overall interest paid and shorten the mortgage term.

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