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What exactly is an agreement in principle?

An agreement in principle (AIP), also called a decision in principle (DIP), is an initial indication of how much a lender might consider lending.

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What you need to know

What is a mortgage agreement in principle? Learn how AIPs work, what they check and why they are not guaranteed mortgage offers.

Moneykind helps you make an enquiry and may introduce you to a relevant mortgage professional. Moneykind does not itself provide a mortgage recommendation on this page. Any advice and lender availability will depend on the professional and your circumstances.

Mortgage rates, fees, lending criteria and eligibility can change. Always check the full terms before making a decision.

Three practical steps

Treat the figure as indicative

Borrowing estimates are not a recommendation or approval.

Be accurate

Incorrect information can affect a later full application.

Check the credit-search type

Ask whether the lender will perform a soft or hard search.

Frequently asked questions

Is an AIP a mortgage offer?

No. A formal offer depends on a full application, satisfactory checks and assessment of the property.

Does an AIP affect my credit score?

Some lenders use soft searches and others may use hard searches. Ask which type of check will be used before proceeding.

How long does an AIP last?

Validity varies by lender and may be affected by changes in your circumstances. Check the expiry date and conditions.

What information is needed?

You may be asked for income, employment, deposit, credit commitments, regular spending and basic personal details.

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