First-time buyer mortgages: a complete guide

Buying your first home is exciting—but it can also feel complicated. A mortgage isn't just one decision; it's a combination of choices about how much you borrow, how you repay, how your interest rate works, and how the lender assesses affordability.

This guide explains the main moving parts of first-time buyer mortgages, so you can understand what lenders look for and what to compare.

Quick links to first-time buyer resources

Whether you're just starting out or ready to apply, we have dedicated resources to help:

• First-time buyer FAQs - Answers to common questions about deposits, affordability, and the process
• First-time buyer guides - In-depth guides on specific topics like deposits, bad credit, and more
• First-time buyer case studies - Real-world examples showing how different scenarios are handled
• First-time buyer eligibility - Check your eligibility and understand what lenders look for
• Mortgage calculator - Estimate your borrowing potential

What is a first-time buyer mortgage?

A first-time buyer mortgage is a mortgage taken out by someone who is buying a property for the first time. The mortgage itself may be offered by mainstream lenders, building societies, or specialist lenders, and the "first-time buyer" label often reflects product features (for example, higher loan-to-value options) and sometimes eligibility for specific schemes.

In practice, first-time buyers are assessed in the same overall way as other borrowers—based on affordability, credit history, and the property—but the options available can differ depending on your deposit and circumstances.

The three fundamentals: deposit, term and repayments

1) Deposit and loan-to-value (LTV)

Your deposit is the cash you pay upfront. Lenders usually express the loan size as LTV (loan-to-value)—the mortgage amount compared with the property's purchase price.

• A larger deposit generally means a lower LTV.
• A lower LTV can widen the range of products you may be considered for.
• A smaller deposit can mean more reliance on affordability assessment and may reduce the number of options.

2) Mortgage term (how long you repay)

The term is the number of years you'll repay the mortgage. Longer terms can reduce the monthly payment but may increase the total interest paid over time.

Terms can be influenced by factors such as:

• your age
• your employment and income profile
• the lender's lending policy
• your expected retirement timing

3) Repayment type: repayment or interest-only

Most borrowers choose between two broad structures:

• Repayment mortgages: you pay interest and gradually reduce the balance. At the end of the term, the mortgage is repaid in full.
• Interest-only mortgages: you pay only the interest each month, and the original loan amount must be repaid at the end of the term (for example, from savings or an investment plan).

Interest-only mortgages are not always suitable for every borrower, and lenders typically require a credible plan for repaying the capital.

How mortgage interest rates work

When comparing mortgages, it's important to understand how the interest rate can change.

Fixed-rate mortgages

A fixed rate sets your interest for a defined period (commonly 2, 3, or 5 years). Your monthly payment is usually more predictable during the fixed term.

Variable-rate mortgages

With variable rates, the interest can change over time. Common types include:

• Standard Variable Rate (SVR): the lender's own rate, which can move when the lender changes it.
• Tracker mortgages: linked to a reference rate (often the Bank of England base rate), so payments can move up or down.
• Discounted or capped structures: designed to limit how much the rate can change, depending on the product terms.

A lower initial rate doesn't always mean the lowest overall cost—what matters is how the rate behaves after the initial period.

What lenders typically assess for first-time buyers

Even if you're a first-time buyer, lenders will still focus on the same core questions:

• Affordability: can you comfortably afford the mortgage payments now and if circumstances change?
• Income stability: how reliable is your income and how is it evidenced?
• Credit history: what's on your credit file and how recent is it?
• Commitments and outgoings: other debts, loans, credit cards, and regular spending.
• Deposit and LTV: your deposit size and the resulting loan amount.
• Property factors: including whether the property is suitable for lending.

Key costs to plan for (beyond the deposit)

A mortgage is only part of the overall cost of buying. Common expenses include:

• Stamp Duty Land Tax (SDLT) (if applicable)
• Valuation/survey fees (the level of survey can vary)
• Legal and conveyancing fees
• Mortgage arrangement fees (some are paid upfront, others may be added to the mortgage)
• Buildings insurance (often required by lenders)

Budgeting for these early can help avoid delays later in the process.

Freehold or leasehold: why it can affect your mortgage

The way a property is owned can influence lending.

• Freehold: you own the property and the land it sits on.
• Leasehold: you own the right to live in the property for a set period, while the land is owned by a freeholder.
• Share of freehold: commonly seen in flats, where leaseholders collectively control the freehold.

Leasehold properties can involve additional considerations, such as lease length and ground rent terms, which may affect lender willingness.

The typical application journey (high level)

While every case differs, the process often follows a similar sequence:

1. Initial mortgage planning

   • gather information about income, outgoings, and deposit
   • decide what repayment structure and rate type you want to consider

2. Mortgage application and lender assessment

   • the lender checks affordability and supporting evidence

3. Property valuation

   • the lender assesses the property's value and lending suitability

4. Mortgage offer

   • if approved, you receive an offer setting out key terms

5. Completion steps

   • legal work continues with your solicitor/conveyancer
   • final checks and exchange/completion follow

Advantages and trade-offs of first-time buyer mortgages

Potential advantages

• Access to home ownership: mortgages can make buying possible when saving for a deposit takes time.
• Repayment builds equity: with repayment mortgages, you reduce the balance over time.
• Product variety: many lenders offer options tailored to different deposit sizes and borrower profiles.

Common trade-offs to consider

• Monthly affordability pressure: even with a deposit, repayments must fit your budget.
• Rate changes after fixed periods: the cost can increase if you move onto a higher rate.
• Property and ownership constraints: leasehold and certain property types can affect lending.
• Total cost over the term: longer terms or higher rates can increase total interest paid.

Other routes first-time buyers may consider

Depending on the property type and your circumstances, some buyers explore alternatives or supporting schemes. Availability and rules can change, so it's important to check the latest position.

Common examples include:

• Shared Ownership (buying a share and paying rent on the remainder)
• Lifetime ISA (LISA) (for eligible savers, used towards a first home)
• First Homes Scheme (discounted new-build homes in certain areas)

First-time buyer mortgages: key takeaways

• A first-time buyer mortgage is about how you borrow, not just your status.
• Your deposit and LTV, mortgage term, and repayment type are central to the overall cost.
• Fixed vs variable interest rates can significantly affect predictability and long-term expense.
• Lenders focus on affordability, credit history, and property suitability.
• Planning for all purchase costs (not just the deposit) helps avoid delays.

Where to go from here

Now that you understand the fundamentals, explore our dedicated resources:

• Have questions? Start with our First-time buyer FAQs
• Need help with a specific topic? Browse our First-time buyer guides
• Want to see real examples? Read our First-time buyer case studies
• Ready to check your options? Use our Mortgage calculator

Important note

Your home may be repossessed if you do not keep up repayments on your mortgage.