7 steps to get approved for your first mortgage

You can’t guarantee mortgage approval — but you can prepare for it

For first-time buyers, a mortgage application is often the biggest financial step you’ll take. Lenders will assess your identity, affordability, income reliability, spending habits and existing commitments. While approval isn’t automatic, you can improve your chances by getting your application ready in advance.

Below are seven practical steps that reflect what lenders commonly look for.

1) Make sure you’re registered to vote

Many lenders use electoral roll information as part of identity and address verification.

Before you apply, check that you’re registered and that your details are up to date. If you’ve recently moved, started a new job, or changed your name, it’s worth sorting this early so your application information matches what lenders can verify.

You can register to vote at: https://www.gov.uk/register-to-vote

2) Keep your spending steady in the months before applying

Mortgage underwriting is sensitive to changes in day-to-day finances. If your bank statements show large or unusual spending close to application, it can raise questions.

In the months leading up to your application:

• avoid sudden increases in credit use
• reduce discretionary spending where possible
• keep regular outgoings consistent

If you’ve had a temporary change in circumstances, keep records so you can explain it clearly when asked.

3) Gather the right documents (and ensure they’re dated correctly)

Most first-time buyer applications rely on evidence of income, identity, address and deposit.

While requirements vary by lender and your employment type, common documents include:

Proof of income

• Employed: recent payslips and bank statements showing salary payments
• Self-employed: accounts and/or tax calculations, plus evidence that income is consistent

Bank statements

Lenders typically request recent statements to understand affordability and regular income/outgoings. Having clear, downloadable statements ready can prevent delays.

Identity and address

• ID (such as a passport or driving licence)
• Proof of address (often utility bills, council tax, or bank statements), usually dated within a recent window

Proof of deposit

• savings statements or bank statements showing funds
• if part of the deposit is gifted, you may need additional paperwork to evidence the source and terms of the gift

Tip: Keep everything organised in one place and double-check dates. Small mismatches can slow down the process.

4) Know your affordability before you apply

Applying for a mortgage you can’t realistically afford is one of the quickest ways to run into problems.

A sensible approach is to estimate what you can borrow based on:

• your monthly income
• essential household costs
• existing debts and commitments
• the mortgage payment you’d be comfortable with

If you’re unsure how lenders will view your situation, getting an affordability view early can help you set expectations and reduce the risk of an application being declined.

5) Reduce debt and clean up your credit picture

Lenders look at your overall financial commitments, not just your income.

To strengthen your application:

• pay down credit cards and personal loans where possible
• avoid taking on new borrowing before you apply
• make sure payments are up to date

If you have any credit issues, it’s better to address them early and be ready to explain relevant changes in your circumstances.

6) Consider using a mortgage broker to match your application

Different lenders have different approaches to assessing risk and affordability. A broker can help you present your application in the strongest way for your circumstances and avoid unnecessary rejections.

A broker can also help you:

• understand what documentation is likely to be required
• spot potential issues before submission
• choose a lender route that fits your profile (for example, employed vs self-employed, or specific income patterns)

This can be especially valuable for first-time buyers who are still learning what lenders expect.

7) If you’re self-employed, plan your paperwork early

Self-employed applicants often need more evidence of income consistency.

To prepare:

• ensure your accounts and tax calculations are up to date
• keep records that show regular trading or contracting income
• be ready to explain any gaps, fluctuations or one-off changes

If you’re working through a tax year-end or have recently changed how you’re paid, it’s worth allowing extra time so your documents reflect your current position.

Final thoughts

Mortgage approval depends on multiple factors, and each lender assesses applications slightly differently. The best way to improve your odds as a first-time buyer is to submit a complete, consistent application with clear evidence of identity, affordability, income and deposit.

If you’d like to explore related topics, the first-time buyer guides hub covers areas such as deposits and first-time buyer mortgage options.