One of the most common causes of mortgage delays isn’t a lender problem or a poor credit score, it’s simply not having the right documents ready. Lenders are thorough, and gaps or inconsistencies in your paperwork can slow things down for weeks. Use this checklist to get everything in order before you apply.
Before You Apply: Preparation Checklist
- Check your credit report with the main credit reference agencies and fix any errors
- Register on the electoral roll at your current address
- Avoid opening new credit accounts or making large purchases on credit
- Pay down existing debt where possible
- Work out your realistic budget, including deposit and additional costs
- Get a Mortgage in Principle before house-hunting
Identity and Address Documents
- Valid passport or driving licence
- Proof of address dated within the last three months (utility bill, council tax statement or bank statement)
- Proof of any previous addresses if you’ve moved in the last three years
Income Evidence
If you’re employed:
- Payslips covering the last three months
- P60 for the most recent tax year
- Employment contract or a reference letter from your employer, if requested
If you’re self-employed:
- SA302 tax calculations and tax year overviews, typically for the last two to three years
- Certified accounts prepared by a qualified accountant
- Business bank statements, if requested
If you have additional income:
- Evidence of bonuses, commission or overtime
- Evidence of any benefits, pension or investment income
Bank Statements and Outgoings
- Bank statements covering the last three to six months, across all current accounts
- Statements or evidence for any existing loans, credit cards or car finance
- Evidence of regular outgoings, such as childcare or existing rent payments
Lenders look closely at your statements for gambling transactions, unauthorised overdrafts, and any unexplained large deposits, so it’s worth reviewing your own statements with fresh eyes before submitting them.
Deposit Evidence
- Bank statements showing your savings building up over time
- A signed gift letter if any part of your deposit is a gift from family, confirming it doesn’t need to be repaid and that the gifter has no stake in the property
- Evidence of the source of funds if your deposit has come from an inheritance, bonus or the sale of another asset
Property-Related Documents (Once You Have an Offer Accepted)
- Confirmation of the agreed purchase price from the estate agent
- Details of the property, including tenure (freehold or leasehold)
- Lease details, ground rent and service charges, if leasehold
- Your solicitor or conveyancer’s details
Other Useful Information to Have Ready
- National Insurance number
- Details of your outgoings, such as council tax, insurance and subscriptions
- Any existing FCA/lender reference numbers if you’ve had a Mortgage in Principle already
- Contact details for your employer, if a reference is needed
Common Reasons Applications Get Delayed
- Payslips or bank statements that don’t match the income or address declared on the application
- Missing months in a bank statement sequence
- Large, unexplained deposits without supporting evidence
- Gift letters that are missing, incomplete or unsigned
- Applying for new credit between getting a Mortgage in Principle and submitting the full application
Frequently Asked Questions
What documents do I need for a first mortgage application?
Generally, ID, proof of address, income evidence (payslips or accounts), recent bank statements, and evidence of your deposit. Exact requirements vary by lender.
How many months of bank statements do mortgage lenders need?
Most ask for three to six months, though this can vary depending on the lender and your circumstances.
Do I need a gift letter if my parents help with my deposit?
Yes. Lenders require a signed letter confirming the money is a genuine gift, not a loan, and that the giver has no stake in the property.
What if I’m self-employed with only one year of accounts?
Some lenders will consider one year of accounts, though most prefer two to three years. A broker can help identify which lenders are more flexible.
Can unexplained bank transactions delay my mortgage?
Yes, unusual or unexplained deposits and withdrawals are one of the most common reasons underwriters ask follow-up questions, which can slow down your application.
Want help gathering the right paperwork the first time? Get in touch with our team for free, no-obligation mortgage advice.
