Agreement in Principle vs Mortgage Offer: A Croydon Buyer’s Guide
Understand the difference between an agreement in principle and a mortgage offer, what lenders check and how to prepare for your home purchase.
An agreement in principle can help you start house hunting, but it is not the same as having your mortgage approved. For buyers in Croydon and Purley, understanding the stages can help avoid confusion when an estate agent asks about your funding.
What is an agreement in principle?
An agreement in principle, also called a decision in principle or mortgage in principle, is an indication of what a lender might lend based on the information assessed at that stage. It can support a discussion about your budget, but it is not a formal mortgage offer or a guarantee that a particular property will be accepted.
Check its expiry date and the assumptions used. If your circumstances change, the original indication may no longer reflect what you could borrow. It also does not replace a household budget: the maximum indicated borrowing may be higher than the amount you feel comfortable repaying.
What changes at the full application?
A full application gives the lender more detailed information about you and the property. The lender may request supporting documents, assess affordability and credit history, and arrange a valuation. Income that looked straightforward initially may need more explanation when documents are reviewed.
Make sure information is accurate from the start. Tell your adviser about credit commitments, childcare, variable income and any known changes to your circumstances. If figures differ between the application and supporting evidence, resolve the discrepancy rather than hoping it will be overlooked.
What is a mortgage offer?
A mortgage offer sets out the lending terms after the lender’s assessment. Read the amount, repayment method, term, rate, fees, conditions and expiry date carefully. Check that the property and applicant details are correct. Your adviser can explain the mortgage terms, while your solicitor deals with the legal aspects of the purchase.
An offer is a significant step, but completion still depends on the relevant conditions being met. Tell your adviser and solicitor promptly about changes rather than assuming an offer makes further information unnecessary.
Can a mortgage be declined after an agreement in principle?
Yes. More detailed checks can reveal issues with affordability, evidence, credit history or the property. A valuation can also affect the amount a lender is prepared to advance. If an application is declined, ask what can be established about the reason before making another application.
Does an agreement in principle affect your credit file?
The type of credit search depends on the lender and process. Ask whether a soft or hard search will be carried out before proceeding. Do not assume every agreement in principle uses the same type of check. Avoid collecting multiple decisions without a clear reason.
A practical timeline for a Croydon purchase
Review your deposit, purchase costs and comfortable monthly budget.
Discuss income, commitments and suitable lender criteria with an adviser.
Obtain an agreement in principle where appropriate and check its conditions.
Once a property is agreed, review the mortgage recommendation and submit the full application.
Respond to evidence requests and review the offer with your adviser and solicitor.
Let your solicitor guide exchange and completion arrangements.
For a flat, ask your solicitor about the lease, service charges and building information early. These issues can affect the purchase and the lender’s assessment. A lender’s valuation is not a survey for your benefit, so consider your own survey separately.
Help preparing your mortgage application
Our Croydon first-time buyer checklist covers wider preparation. You can also read about residential mortgage advice. PMS Mortgages is based at Airport House, Purley Way, Croydon, with phone and video appointments available. Contact us to discuss your next step and the evidence relevant to your circumstances.
Before you apply, it helps to gather your bank statements and, if you are self-employed, your SA302s and tax year overviews. Buying your first home? See our first-time buyer mortgage advice or learn more about our mortgage broker service in Croydon.
Further reading: MoneyHelper’s guide to mortgages in principle and the mortgage application process.
General information, not a personal recommendation. Lender criteria and availability can change. Your home may be repossessed if you do not keep up repayments on your mortgage.
Frequently asked questions
No. It indicates potential borrowing based on the initial assessment. A full application, supporting evidence, credit assessment and property checks are still required.
Validity varies by lender. Check the expiry date on your decision and tell your adviser if your finances or purchase plans change.
Thinking about your own mortgage?
Speak to an adviser about what this means for your situation. There is no charge for an initial conversation.