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Everything you need to know about getting a mortgage agreement in principle

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Are you a first-time buyer looking to purchase your dream home? One of the first steps in the process is getting a mortgage agreement in principle (AIP). Don't worry if you're not sure what that means - we're here to break it down for you in simple terms!

What is a mortgage agreement in principle?

A mortgage agreement in principle is a written statement from a lender indicating how much money they would be willing to lend you, in principle, for a specific property you want to buy. It's not a guarantee, but it does give you a more accurate idea of your budget compared to a general mortgage in principle (MIP), which only provides a rough estimate.

Getting an AIP is useful because:

  • It gives you a clearer sense of what properties are in your price range
  • It shows sellers and estate agents that you're a serious buyer who is likely to be approved for a mortgage
  • The information you provide for the AIP is also needed when you apply for the actual mortgage later on

How do I get an agreement in principle?

You can get an AIP by contacting a lender directly or working with a mortgage broker like Countrywide Mortgage Services. The process involves:

  1. Providing information about your finances, including your income, monthly expenses, savings, and desired deposit amount.
  2. Submitting supporting documents like ID, proof of address, and bank statements
  3. Agreeing to a credit check (usually a soft search that won't impact your credit score, but double-check with the lender first)

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If you are approved for an agreement in principle, typically you will receive a mortgage certificate to show to sellers and estate agents. Please note that this certificate should only be viewed as a guide to how much you could potentially borrow and is not a formal offer of a mortgage.

Can I put an offer on a house without a mortgage in principle?

Whilst an agreement in principle is not legally required, having this agreement prior to placing an offer on a property indicates to the seller and the agent that you are a legitimate buyer with proof that you can borrow enough funds to purchase the property.

Does an agreement in principle mean you will be accepted for a mortgage?

A mortgage in principle is not a guarantee you will be accepted for a mortgage. It is an indication of how much you will be allowed to borrow based on your financial situation, so as long as you are clear and honest, you are likely to be accepted.

You will still need to formally apply for a mortgage once you have had an offer accepted on a property. This will require a full deep dive into your finances.

Have more questions? Speak to a Mortgage Advisor

While an agreement in principle is an important first step, getting a mortgage can still seem overwhelming, especially as a first-time buyer. If you have any other questions or would like more personalised guidance, consider booking an appointment with one of our friendly mortgage advisors. They'll be happy to walk you through the process and help turn your homeownership dreams into a reality.

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Correct at the time of publishing – 2.1.25

Any fees payable will be explained in your initial no-obligation appointment, before you choose whether to use our Mortgage Services.

Countrywide Mortgage Services is a trading name of Countrywide Principal Services Ltd which is authorised and regulated by the Financial Conduct Authority (Firm Registration Number 301684). Registered Office: Countrywide House, 6 Caldecotte Lake Business Park, Caldecotte Lake Drive, Milton Keynes, MK7 8JT. Registered in England no. 01707341.

MS/CW/7889/01.25