The Complete Guide to Putting in a Mortgage Application
Applying for a mortgage is one of the most significant financial commitments most people will ever make. It can feel overwhelming, but with careful planning and understanding, you can navigate the process with confidence. In this guide, we'll break down each step, offer practical tips, and highlight key considerations to help you succeed in your mortgage application journey.

Understanding Mortgages
A mortgage is a long-term loan secured against a property. It enables people to purchase homes without needing the full amount upfront. While mortgages are a powerful tool for homeownership, understanding how they work is essential for financial stability.
What is a Mortgage?
In simple terms, a mortgage is a loan where your home acts as collateral. If repayments aren't made, the lender can repossess the property. Mortgages usually span 20–30 years, with monthly repayments covering principal and interest.
Types of Mortgages
- Fixed-Rate Mortgage: Consistent monthly payments throughout the term.
- Variable-Rate Mortgage: Payments fluctuate based on interest rates.
- Interest-Only Mortgage: Pay only interest for an initial period.

Preparing for Your Mortgage Application
Check Your Financial Health
Your credit score is one of the first things lenders look at. Pay down existing debts, avoid large new expenses, and ensure your income is stable.
Save for a Deposit
A larger deposit not only reduces your mortgage size but can also secure you better interest rates. Typically, a 10%–20% deposit is required.
Organize Your Documents
Be prepared with:
- Recent bank statements
- Proof of income (payslips, tax returns)
- Proof of address and identity

Calculating Mortgage Affordability
Understanding how much you can afford is crucial before applying. Use our Mortgage Affordability Calculator to estimate your borrowing limit based on income and expenses.
Choosing the Right Lender
Compare lenders based on rates, fees, and reviews. Mortgage brokers can simplify the process by providing tailored options.
After Your Mortgage is Approved
Plan for additional costs like stamp duty, legal fees, and moving expenses. Set up automated payments to avoid missed deadlines.
Common Mistakes to Avoid
- Applying for new credit during the mortgage process.
- Ignoring mortgage agreement terms.
FAQs
How long does approval take?
It typically takes 4–8 weeks, depending on your lender.
What happens if my application is rejected?
Address the reasons, improve your finances, and reapply.